Fibocom Wireless L860GL LTE Module User Manual ng

Fibocom Wireless Inc. LTE Module ng

Users Manual

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Document ID3993200
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Document DescriptionUsers Manual
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Date Submitted2018-09-06 00:00:00
Date Available2018-09-07 00:00:00
Creation Date2018-09-06 13:55:58
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Document Author: fangs

FIBOCOM_L860-GL
Hardware User Manual
Version:1.0.2
Date:2018-07-28
Copyright
Copyright © 2018 Fibocom Wireless Inc. All rights reserved.
Without the prior written permission of the copyright holder, any company or individual is prohibited to
excerpt, copy any part of or the entire document, or distribute the document in any form.
Notice
changes or modifications not expressly approved by the party responsible for compliance could void the user’s
authority to operate the equipment.
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15
of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception, which can be determined by turning
the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following
measures:
-- Reorient or relocate the receiving antenna.
-- Increase the separation between the equipment and receiver.
-- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
-- Consult the dealer or an experienced radio/TV technician for help.
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. End user
must follow the specific operating instructions for satisfying RF exposure compliance. This transmitter must not be
co-located or operating in conjunction with any other antenna or transmitter.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this
device may not cause harmful interference, and (2) this device must accept any interference received, including
interference that may cause undesired operation.
The document is subject to update from time to time owing to the product version upgrade or other reasons. Unless
otherwise specified, the document only serves as the user guide. All the statements, information and suggestions
contained in the document do not constitute any explicit or implicit guarantee.
Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved.
FIBOCOM_L860-GL Hardware User Manual
Page 2 of 55
This device is intended only for OEM integrators under the following conditions:
1) The antenna must be installed such that 20 cm is maintained between the antenna and users, and the Max allowed
antenna gain is as following table showed:
Operating Band
Antenna Gain(dBi)
WCDMA BAND II
8.5
WCDMA BAND IV
5.5
WCDMA BAND V
9.07
LTE BAND 2
LTE BAND 4
LTE BAND 5
9.41
LTE BAND 7
LTE BAND 12
8.85
LTE BAND 13
10.31
LTE BAND 14
10.38
LTE BAND 17
9.74
LTE BAND 25
LTE BAND 26(814-824)
8.51
LTE BAND 26(824-849)
8.56
LTE BAND 30
LTE BAND 38
LTE BAND 41
5.5
LTE BAND 66
2) The transmitter module may not be co-located with any other transmitter or antenna.
As long as 2 conditions above are met, further transmitter test will not be required. However, the OEM
integrator is still responsible for testing their end-product for any additional compliance requirements
required with this module installed
Host manufacturer is responsible for ensuring that the host continues to be compliant with the Part 15
subpart B unintentional radiator requirements after the module is installed and operational.
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FIBOCOM_L860-GL Hardware User Manual
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The document is subject to update from time to time owing to the product version upgrade or other
reasons. Unless otherwise specified, the document only serves as the user guide. All the statements,
information and suggestions contained in the document do not constitute any explicit or implicit guarantee.
IMPORTANT NOTE: In the event that these conditions can not be met (for example certain laptop
configurations or co-location with another transmitter), then the FCC authorization is no longer considered
valid and the FCC ID can not be used on the final product. In these circumstances, the OEM integrator
will be responsible for re-evaluating the end product (including the transmitter) and obtaining a separate
FCC authorization.
End Product Labeling
This transmitter module is authorized only for use in device where the antenna may be installed such that
20 cm may be maintained between the antenna and users. The final end product must be labeled in a
visible area with the following: “Contains FCC ID: ZMOL860GL”. The grantee's FCC ID can be used only
when all FCC compliance requirements are met.
Manual Information To the End User
The OEM integrator has to be aware not to provide information to the end user regarding how to install
or remove this RF module in the user’s manual of the end product which integrates this module. The end
user manual shall include all required regulatory information/warning as show in this manual.
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FIBOCOM_L860-GL Hardware User Manual
Page 4 of 55
This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the following
two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including
interference that may cause undesired operation of the device.
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence.
L'exploitation est autorisée aux deux conditions suivantes : (1) l'appareilne doit pas produire de brouillage, et (2)
l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en
compromettre le fonctionnement.
Radiation Exposure Statement:
This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment. This equipment
should be installed and operated with minimum distance 20cm between the radiator & your body.
Déclaration d'exposition aux radiations:
Cet équipement est conforme aux limites d'exposition aux rayonnements IC établies pour un environnement non
contrôlé. Cet équipement doit être installé et utilisé avec un minimum de 20 cm de distance entre la source de
rayonnement et votre corps.\
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada.
The Innovation, Science and Economic Development Canada certification label of a module shall be clearly visible
at all times when installed in the host device; otherwise, the host device must be labeled to display the Innovation,
Science and Economic Development Canada certification number for the module, preceded by the words “Contains
transmitter module IC: 21374-L860GL
L'étiquette de certification Innovation, Sciences et Développement économique Canada d'un module doit être
clairement visible en tout temps lorsqu'elle est installée dans le dispositif hôte. sinon, le périphérique hôte doit être
étiqueté pour afficher le numéro de certification Innovation, Sciences et Développement économique Canada du
module, précédé des mots "Contient le module émetteur IC: 21374-L860GL.
The antenna must be installed such that 20 cm is maintained between the antenna and users, and the Max allowed
antenna gain is as following table showed
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FIBOCOM_L860-GL Hardware User Manual
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L'antenne doit être installée de telle sorte que 20 cm soient maintenus entre l'antenne et les utilisateurs,
et le gain d'antenne maximal autorisé est indiqué dans le tableau suivant.
Operating Band/
Bande d'opération
Max allowed Gain/
Max autorisé Gain
(dBi)
WCDMA BAND II
8.50
WCDMA BAND IV
5.50
WCDMA BAND V
8.76
LTE BAND 2
9.00
LTE BAND 4
6.00
LTE BAND 5
8.25
LTE BAND 7
9.00
LTE BAND 12
8.76
LTE BAND 13
9.09
LTE BAND 14
9.13
LTE BAND 17
8.79
LTE BAND 25
9.00
LTE BAND 26
(824-849)
8.25
LTE BAND 30
1.00
LTE BAND 38
9.00
LTE BAND 41
5.50
LTE BAND 66
6.00
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Trademark
The trademark is registered and owned by Fibocom Wireless Inc.
Version Record
Version
Update date
Remark
V1.0.0
2018-01-25
Draft version
V1.0.1
2018-03-09
1. Add UL CA combinations description.
2. Modify pin definition and description.
1. Modify module timing
V1.0.2
2018-07-19
2. Change tray package type
3. Modify CA Combinations
4. And add RF performance parameters and power consumption
V1.0.3
2018-07-28
1. Modify B41 HPUE maximum TX power description
2. Delete Band21/Band32 Related Information
Applicability Table
No.
Product model
Description
L860-GL-01
NA
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FIBOCOM_L860-GL Hardware User Manual
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Contents
1 Foreword .................................................................................................................................................. 11
1.1 Introduction .................................................................................................................................... 11
1.2 Reference Standard ....................................................................................................................... 11
1.3 Related Documents ....................................................................................................................... 11
2 Overview.................................................................................................................................................. 12
2.1 Introduction ................................................................................................................................... 12
2.2 Specification .................................................................................................................................. 12
2.3 CA combinations ........................................................................................................................... 13
2.4 Application Framework.................................................................................................................. 15
2.5 Hardware Block Diagram .............................................................................................................. 15
2.6 Antenna Configuration .................................................................................................................. 16
3 Application Interface ................................................................................................................................ 17
3.1 M.2 Interface ................................................................................................................................. 17
3.1.1 Pin Map ............................................................................................................................... 17
3.1.2 Pin Definition....................................................................................................................... 18
3.2 Power Supply ................................................................................................................................ 22
3.2.1 Power Supply...................................................................................................................... 22
3.2.2 Logic level ........................................................................................................................... 24
3.2.3 Power Consumption ........................................................................................................... 24
3.3 Control Signal ............................................................................................................................... 26
3.3.1 Module Start-Up.................................................................................................................. 27
3.3.1.1 Start-up Circuit ......................................................................................................... 27
3.3.1.2 Start-up Timing Sequence........................................................................................ 27
3.3.2 Module Shutdown ............................................................................................................... 28
3.3.3 Module Reset...................................................................................................................... 28
3.3.4 PCIe Reset ......................................................................................................................... 30
3.4 PCIe & USB .................................................................................................................................. 31
3.4.1 PCIe Interface ..................................................................................................................... 31
3.4.1.1 PCIe Interface Definition .......................................................................................... 31
3.4.1.2 PCIe Interface Application ........................................................................................ 32
3.4.2 USB Interface ..................................................................................................................... 34
3.4.2.1 USB Interface Definition ........................................................................................... 34
3.4.2.2 USB2.0 Interface Application ................................................................................... 34
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FIBOCOM_L860-GL Hardware User Manual
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3.5 USIM Interface .............................................................................................................................. 35
3.5.1 USIM1 Pins ......................................................................................................................... 35
3.5.2 USIM2 Pins ......................................................................................................................... 35
3.5.3 USIM Interface Circuit ........................................................................................................ 36
3.5.3.1 N.C. SIM Card Slot ................................................................................................... 36
3.5.3.2 N.O. SIM Card Slot................................................................................................... 36
3.5.4 USIM Hot-Plugging ............................................................................................................. 37
3.5.5 USIM Design....................................................................................................................... 38
3.6 Status Indicator ............................................................................................................................. 38
3.6.1 LED#1 Signal ...................................................................................................................... 38
3.7 Interrupt Control ............................................................................................................................ 39
3.7.1 W_DISABLE1# ................................................................................................................... 39
3.7.2 BODYSAR .......................................................................................................................... 40
3.7.3 ANT_CONFIG ..................................................................................................................... 40
3.8 ANT Tunable Interface .................................................................................................................. 40
3.9 Configuration Interface ................................................................................................................. 41
3.10 Other Interfaces .......................................................................................................................... 42
4 Radio Frequency ..................................................................................................................................... 42
4.1 RF Interface .................................................................................................................................. 42
4.1.1 RF Interface Functionality................................................................................................... 42
4.1.2 RF Connector Characteristic .............................................................................................. 42
4.1.3 RF Connector Dimension ................................................................................................... 42
4.2 Operating Band ............................................................................................................................. 44
4.3 Transmitting Power ....................................................................................................................... 45
4.4 Receiver Sensitivity....................................................................................................................... 46
4.4.1 Dual Antenna Receiver Sensitivity ..................................................................................... 46
4.4.2 Four Antenna Receiver Sensitivity ..................................................................................... 47
4.5 GNSS ............................................................................................................................................ 48
4.6 Antenna Design............................................................................................................................. 49
5 Structure Specification ............................................................................................................................ 51
5.1 Dimension of Structure ................................................................................................................. 51
5.2 M.2 Interface Model ...................................................................................................................... 51
5.3 M.2 Connector .............................................................................................................................. 52
5.4 Storage.......................................................................................................................................... 53
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5.4.1 Storage Life ........................................................................................................................ 53
5.5 Packing ......................................................................................................................................... 53
5.5.1 Tray Package ...................................................................................................................... 53
5.5.2 Tray size ............................................................................................................................. 55
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FIBOCOM_L860-GL Hardware User Manual
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1 Foreword
1.1 Introduction
The document describes the electrical characteristics, RF performance, dimensions and application
environment, etc. of L860-GL (hereinafter referred to as L860). With the assistance of the document and
other instructions, the developers can quickly understand the hardware functions of L860 modules and
develop products.
1.2 Reference Standard
The design of the product complies with the following standards:

3GPP TS 34.121-1 V8.11.0: User Equipment (UE) conformance specification; Radio
transmission and reception (FDD);Part 1: Conformance specification

3GPP TS 34.122 V11.13.0: Technical Specification Group Radio Access Network; Radio
transmission and reception (TDD)

3GPP TS 36.521-1 V13.4.0: User Equipment (UE) conformance specification; Radio
transmission and reception; Part 1: Conformance testing

3GPP TS 21.111 V10.0.0: USIM and IC card requirements

3GPP TS 51.011 V4.15.0: Specification of the Subscriber Identity Module -Mobile Equipment
(SIM-ME) interface

3GPP TS 31.102 V10.11.0: Characteristics of the Universal Subscriber Identity Module (USIM)
application

3GPP TS 31.11 V10.16.0: Universal Subscriber Identity Module (USIM) Application
Toolkit(USAT)

3GPP TS 36.124 V10.3.0: Electro Magnetic Compatibility (EMC) requirements for mobile
terminals and ancillary equipment

3GPP TS 27.007 V10.0.8: AT command set for User Equipment (UE)

3GPP TS 27.005 V10.0.1: Use of Data Terminal Equipment - Data Circuit terminating
Equipment (DTE - DCE) interface for Short Message Service (SMS) and Cell Broadcast Service
(CBS)

PCI Express M.2 Specification Rev1.1
1.3 Related Documents

RF Antenna Application Design Specification

L8-Family System Driver Integration and Application Guidance

L8-Family AT Commands Manual
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FIBOCOM_L860-GL Hardware User Manual
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2 Overview
2.1 Introduction
L860 is a highly integrated 4G WWAN module which uses M.2 form factor interface. It supports LTE
FDD/LTE TDD/WCDMA systems and can be applied to most cellular networks of mobile carrier in the
world.
2.2 Specification
Specification
LTE FDD: Band 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66
LTE TDD: Band 38, 39, 40, 41
Operating Band
LAA Band 46 Receiver only
WCDMA/HSPA+: Band 1, 2, 4, 5, 8
GNSS/Beidou: support
LTE
1 Gbps DL/75 Mbps UL(Cat 16)
Data
UMTS:384 kbps DL/384 kbps UL
Transmission
UMTS/HSPA+
DC-HSPA+:42 Mbps DL(Cat 24)//11.52 Mbps UL(Cat7)
Carrier
5CA Downlink
aggregation
Power Supply
DC 3.135V~4..4V, Typical 3.3V
Normal operating temperature: -10°C ~+55°C
Temperature
Extended operating temperature: -20°C ~+65°C
Storage temperature: -40°C ~+85°C
Interface: M.2 Key-B
Physical
Dimension:30 x 42 x 2.3mm
characteristics
Weight: About 6.2 g
Interface
Antenna
WWAN Antenna x 4
Connector
Support 4x4 MIMO
Function
Dual SIM, 3V/1.8V
Interface
PCIe 2.0 X1
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FIBOCOM_L860-GL Hardware User Manual
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Specification
USB 2.0
USB 3.0(Reserved)
W_Disable#
Body Sar
LED
Tunable antenna
I2S(Reserved)
Software
Protocol Stack
IPV4/IPV6
AT commands
3GPP TS 27.007 and 27.005
Firmware update PCIe
Multiple carrier
Windows MBIM support
Other feature
Windows update
AGNSS
Note:
When temperature goes beyond normal operating temperature range of -10°C~+55°C, RF
performance of module may be slightly off 3GPP specifications. For normal operating
temperature, LTE FDD Band 4 and 13 can support temperature ranging from -20℃ to +60℃.
2.3 CA combinations
DL CA Combinations
2CA
Inter-band
1+3, 5, 7, 8, 18, 19, 20, 26, 28, 38, 41, 46
2+4, 5, 12, 13, 14, 29, 30, 46, 66
3+5, 7, 8, 19, 20, 28, 38, 40, 41, 46
4+5, 12, 13, 29, 30, 46
5+7, 30, 46, 66
7+8, 20, 28, 32, 46
12+30, 66
13+46, 66
14+30, 66
25+26, 41, 46
26+41
29+30, 66
30+66
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DL CA Combinations
Intra-band(non-contiguous)
Intra-band(contiguous)
Inter-band
3CA
2 intra-band(non-contiguous) plus
inter-band
2 intra-band(contiguous) plus
inter-band
Intra-band(non-contiguous)
Intra-band(contiguous)
Inter-band
2 intra-band(non-contiguous) plus
2 inter-band
2 intra-band(contiguous) plus
2 inter-band
4CA
2 intra-band(contiguous) plus
2 intra-band(contiguous)
2 intra-band(contiguous) plus
2 intra-band(non-contiguous)
3 intra-band(contiguous) plus
inter-band
5CA
41+46
46+66
1, 2, 3, 4, 7, 25, 41, 66
1, 2, 3, 5, 7, 40, 41, 66
1+3+5, 1+3+7, 1+3+8, 1+3+19, 1+3+20, 1+3+28, 1+3+38,
1+5+7, 1+7+8, 1+7+20, 1+7+28
2+4+5, 2+4+12, 2+4+13, 2+5+30, 2+12+30, 2+29+30,
2+5+66, 2+13+66, 2+14+30, 2+14+66, 2+30+66, 2+5+46,
2+13+46, 2+46+66, 2+12+66
3+5+7, 3+7+8, 3+7+20, 3+7+28
4+5+30, 4+12+30, 4+29+30
5+30+66, 5+46+66
12+30+66, 13+46+66, 14+30+66, 29+30+66
2+2+5, 2+2+12, 2+2+13, 2+2+30, 2+2+66, 2+4+4, 2+46+46,
2+66+66
3+7+7, 4+4+5, 4+4+12, 4+4+13, 4+46+46, 5+66+66
12+66+66, 13+66+66, 46+46+66, 29+66+66, 30+66+66
1+3+3, 1+7+7, 1+40+40*, 1+41+41*
2+5+5*, 2+46+46, 2+66+66
3+3+5*, 3+3+7, 3+3+20, 3+3+28*, 3+7+7, 3+40+40,
3+41+41*, 3+3+41
4+46+46, 5+5+30*, 5+5+66, 5+46+46*, 5+66+66, 7+7+28*
13+46+46*, 13+66+66, 25+41+41*, 26+41+41*,
28+40+40*,46+46+66
41, 66
40*, 41*
1+3+5+7, 1+3+7+8, 1+3+7+20, 1+3+7+28
2+5+30+66, 2+12+30+66, 2+14+30+66
2+2+5+66, 2+2+12+30, 2+2+12+66, 2+2+13+66, 2+5+66+66,
2+12+66+66, 2+13+66+66, 5+30+66+66, 29+30+66+66*
1+3+3+5*, 1+3+3+7, 1+3+3+20*, 1+3+7+7, 1+7+7+28*,
1+3+40+40*,
2+5+5+30*, 2+5+5+66*, 2+5+46+46*, 2+13+46+46*,
2+46+46+46*, 2+46+46+66, 2+5+66+66, 2+13+66+66
3+3+7+20*, 3+3+7+28*, 3+7+7+28*, 3+28+40+40*,
4+46+46+46*, 5+5+30+66*, 5+46+46+66*, 13+46+46+66*,
66+46+46+46*
3+3+7+7
5+5+66+66
2+46+46+46, 3+40+40+40, 4+46+46+46, 5+46+46+46,
13+46+46+46, 25+41+41+41, 28+40+40+40, 66+46+46+46
Intra-band(non-contiguous)
41
Intra-band(contiguous)
2 intra-band(contiguous) plus 2
intra-band(contiguous) plus interband
2 intra-band(contiguous) plus 3
inter-band
40*
1+3+3+7+7, 3+3+7+7+28*, 2+46+46+46+46*,
46+46+46+46+66*
1+3+3+7+20*, 1+3+7+7+28*, 2+5+5+30+66*
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DL CA Combinations
2 intra-band(contiguous) plus 2
intra-band(non-contiguous) plus
inter-band
2+5+5+66+66*
3 intra-band(contiguous) plus 2
intra-band(non-contiguous)
2+2+46+46+46*
3 intra-band(contiguous) plus 2
inter-band
2+5+46+46+46*, 2+13+46+46+46*, 2+46+46+46+46*,
2+46+46+46+66*, 3+28+40+40+40*, 4+46+46+46+46*,
5+46+46+46+66*, 13+46+46+46+66*, 46+46+46+46+66*
3 intra-band(contiguous) plus 2
intra-band(non-contiguous)
46+46+46+66+66*
4 intra-band(contiguous) plus
inter-band
2+46+46+46+46*, 3+40+40+40+40*, 5+46+46+46+46*,
13+46+46+46+46*, 46+46+46+46+66*
Intra-band(non-contiguous)
41*
Note:
* Those CA are not defined in 3GPP as of publication date, they are not fully applicable for SAR
test,support pending 3GPP approval.
2.4 Application Framework
The peripheral applications for L860 module are shown in Figure 2-1:
D/G(AUX1) ANT
M2(AUX3) ANT
M1(AUX2) ANT
Main ANT
Module
Power
Supply
ON/OFF#
RESET#
Control
SIM1
SIM2
SIM
Card
SIM
Card
PCIe
USB2.0
EINT
Indicator
Host application
Figure2-1 Application Framework
2.5 Hardware Block Diagram
The hardware block diagram in Figure 2-2 shows the main hardware functions of L860 module, including
base band and RF functions.
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FIBOCOM_L860-GL Hardware User Manual
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Baseband contains the followings:

GSM/UMTS/LTE FDD controller/Power supply

NAND/internal LPDDR4 RAM

Application interface
RF contains the followings:

RF Transceiver

RF Power/PA

RF Front end

RF Filter

Antenna Connector
Figure 2-2 Hardware Block Diagram
2.6 Antenna Configuration
L860 module support four antennas and the configuration is as below table:
Function Description
Band configuration
Main ANT
All supported bands transmit & receive
M1
MIMO1 ANT
4x4 MIMO supported bands receive
M2
MIMO2 ANT
4x4 MIMO supported bands receive
D/G
Diversity & GNSS ANT
All supported bands and GNSS receive
Antenna Connector
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3 Application Interface
3.1 M.2 Interface
The L860 module applies standard M.2 Key-B interface, with a total of 75 pins.
3.1.1 Pin Map
Figure 3-1 Pin Map
Note:
Pin “Notch” represents the gap of the gold fingers.
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3.1.2 Pin Definition
The pin definition is as follows:
Pin
Pin Name
I/O
Reset Value
Pin Description
Type
NC, L860 M.2 module is configured as
CONFIG_3
NC
the WWAN – PCIe, USB3.0 interface
type
+3.3V
PI
Power input
Power Supply
GND
GND
Power Supply
+3.3V
PI
Power input
Power Supply
GND
GND
Power Supply
PU
FULL_CARD_
POWER_OFF#
Power enable, Module power on input, CMOS
internal pull up
3.3/1.8V
USB Data Plus
0.3---3V
USB D+
I/O
W_DISABLE1#
USB D-
I/O
10
LED1#
OD
11
GND
12
Notch
Notch
13
Notch
Notch
14
Notch
Notch
15
Notch
Notch
16
Notch
Notch
17
Notch
Notch
18
Notch
Notch
19
Notch
Notch
20
I2S_CLK
PD
WWAN Disable, active low
USB Data Minus
PD
System status LED, Output open drain,
CMOS 3.3V
GND
I2S Serial clock, Reserved
CMOS
3.3/1.8V
0.3---3V
CMOS 3.3V
Power Supply
CMOS 1.8V
NC, L860 M.2 module is configured as
21
NC
CONFIG_0
the WWAN – PCIe, USB3.0 interface
type
22
I2S_RX
PD
I2S Serial receive data,
Reserved
CMOS 1.8V
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Pin
Pin Name
I/O
Reset Value
Pin Description
Type
23
WOWWAN#
PD
Wake up host, Reserved
CMOS 1.8V
24
I2S_TX
PD
I2S Serial transmit data, Reserved
CMOS 1.8V
25
DPR
PD
Body SAR Detect, active low
26
W_DISABLE2#
PD
GNSS disable, active low, Reserved
27
GND
GND
Power Supply
28
I2S_WA
PD
I2S Word alignment/select, Reserved
CMOS 1.8V
29
USB3.0_TX-
30
UIM_RESET
31
USB3.0_TX+
32
UIM_CLK
SIM clock Signal
1.8V/3V
33
GND
GND
Power Supply
34
UIM_DATA
I/O
SIM data input/output
1.8V/3V
35
USB3.0_RX-
USB3.0 receive data minus, Reserved
36
UIM_PWR
SIM power supply, 3V/1.8V
37
USB3.0_RX+
USB3.0 receive data plus, Reserved
38
NC
39
GND
40
SIM2_DETECT
PD
41
PETn0
42
UIM2_DATA
I/O
43
PETp0
44
UIM2_CLK
SIM2 clock Signal
1.8V/3V
45
GND
GND
Power Supply
46
UIM2_RESET
SIM2 reset signal
1.8V/3V
47
PERn0
48
UIM2_PWR
CMOS
3.3/1.8V
CMOS
3.3/1.8V
USB3.0 Transmit data minus,
Reserved
SIM reset signal
1.8V/3V
USB3.0 Transmit data plus, Reserved
1.8V/3V
NC
GND
SIM2 Detect, internal pull up(390KΩ),
active high
Power Supply
CMOS 1.8V
PCIe TX Differential signals
Negative
SIM2 data input/output
1.8V/3V
PCIe TX Differential signals Positive
PCIe RX Differential signals
Negative
SIM2 power supply, 3V/1.8V
1.8V/3V
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Pin
Pin Name
I/O
49
PERp0
Reset Value
Pin Description
Type
PCIe RX Differential signals Positive
Asserted to reset module PCIe
interface default. If module went into
50
PERST#
PU
core dump, it will reset whole module,
CMOS 3.3V
not only PCIe interface.
Active low, internal pull up(10KΩ)
51
GND
GND
Power Supply
Asserted by device to request a PCIe
reference clock be available (active
clock state) in order to transmit data. It
52
CLKREQ#
PU
also used by L1 PM Sub states
CMOS 3.3V
mechanism, asserted by either host or
device to initiate an L1 exit.
Active low, internal pull up(10KΩ)
53
REFCLKN
PCIe Reference Clock signal
Negative
Asserted to wake up system and
reactivate PCIe link from L2 to L0, it
54
PEWAKE#
depends on system
whether supports wake up functionality.
Active low, open drain output and
CMOS 3.3V
should add external pull up on platform
PCIe Reference Clock signal
55
REFCLKP
56
RFFE_SCLK
57
GND
58
RFFE_SDATA
I/O
PD
59
ANTCTL0
Positive
PD
MIPI Interface Tunable ANT,
RFFE clock
GND
MIPI Interface Tunable ANT,
RFFE data
Tunable ANT CTRL0
CMOS 1.8V
Power Supply
CMOS 1.8V
CMOS 1.8V
Wireless Coexistence between WWAN
60
COEX3
I/O
PD
and WiFi/BT modules, based on BT-SIG
coexistence protocol. COEX_EXT_FTA,
CMOS 1.8V
Reserved
61
ANTCTL1
PD
Tunable ANT CTRL1
CMOS 1.8V
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Pin
Pin Name
I/O
Reset Value
Pin Description
Type
Wireless Coexistence between WWAN
62
COEX_RXD
and WiFi/BT modules, based on BT-SIG
coexistence protocol. UART receive
CMOS 1.8V
signal(WWAN module side), Reserved
63
ANTCTL2
PD
Tunable ANT CTRL2
CMOS 1.8V
Wireless Coexistence between WWAN
64
COEX_TXD
and WiFi/BT modules, based on BT-SIG
coexistence protocol. UART transmit
CMOS 1.8V
signal(WWAN module side), Reserved
65
ANTCTL3
PD
66
SIM1_DETECT
PD
67
RESET#
PU
Tunable ANT CTRL3
SIM1 Detect, internal pull up(390KΩ),
active high
WWAN reset input, internal pull
up(10KΩ), active low
CMOS 1.8V
CMOS 1.8V
CMOS 1.8V
Host antenna configuration detect,
ANT_CONFIG
68
PD
internal pull up(100KΩ),
CMOS 1.8V
Reserved
GND, L860 M.2 module is configured
69
CONFIG_1
GND
as the WWAN – PCIe, USB3.0
interface type
70
+3.3V
PI
Power input
Power Supply
71
GND
GND
Power Supply
72
+3.3V
PI
Power input
Power Supply
73
GND
GND
Power Supply
74
+3.3V
PI
Power input
Power Supply
NC, L860 M.2 module is configured as
75
CONFIG_2
NC
the WWAN – PCIe, USB3.0 interface
type
Reset Value: The initial status after module reset, not the status when working.
H: High Voltage Level
L:
Low Voltage Level
PD: Pull-Down
PU: Pull-Up
T:
Tristate
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OD: Open Drain
PI: Power Input
PO: Power Output
Note:
The unused pins can be left floating.
3.2 Power Supply
The power interface of L860 module as shown in the following table:
DC Parameter(V)
Pin
Pin Name
I/O
Pin Description
Minimum
Typical
Maximum
Value
Value
Value
2, 4, 70, 72, 74 +3.3V
PI
Power supply input
3.135
3.3
4.4
36
UIM_PWR
PO
USIM power supply
1.8V/3V
48
UIM2_PWR
PO
USIM power supply
1.8V/3V
L860 module uses PCIe interface, according to the PCIe specification, the PCIe Vmain should be used as
the +3.3V power source, not the Vaux. The Vaux is the PCIe backup power source and it is not sufficient
as the power supply. In addition, the DC/DC power supply other than PCIe ports should not be used as
the external power cannot control the module status through the PCIe protocol.
3.2.1 Power Supply
The L860 module should be powered through the +3.3V pins, and the power supply design is shown in
Figure 3-2:
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Figure 3-2 Power Supply Design
The filter capacitor design for power supply as shown in the following table:
Recommended
capacitance
Application
Description
Reduce power fluctuations of the module in
operation, requiring capacitors with low ESR.
220uF x 2
Voltage-stabilizing capacitors

LDO or DC/DC power supply requires the
capacitor of no less than 440uF

The capacitor for battery power supply
can be reduced to 100~200uF
1uF, 100nF
Digital signal noise
700/800, 850/900 MHz frequency
39pF, 33pF
band
Filter out the interference generated from the
clock and digital signals
Filter out low frequency band RF interference
1500/1700/1800/1900,
18pF, 10pF,
8.2pF, 6.8pF,
3.3pF
2100/2300, 2500/2600MHz,
Filter out medium/high frequency band RF
3500/3700MHz, 5GHz frequency
interference
band
The stable power supply can ensure the normal operation of L860 module; and the ripple of the power
supply should be less than 300mV in design. Because module support 5CA download, when module
operates with the maximum data transfer throughput, the maximum operating current can reach to upper
2500mA. It requests the power source voltage should not be lower than 3.135V, otherwise module may
shut down or restart. The power supply requirement is shown in Figure 3-3:
Burst transmit
Burst transmit
Ripple≤300mV
Power supply
Drop
VBAT≥3.135V
min:3.135V
Figure 3-3 Power Supply Requirement
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3.2.2 Logic level
The L860 module 1.8V logic level definition as shown in the following table:
Parameters
Minimum
Typical
Maximum
Unit
1.8V logic level
1.71
1.8
1.89
VIH
1.3
1.8
1.89
VIL
-0.3
0.3
The L860 module 3.3V logic level definition as shown in the following table:
Parameters
Minimum
Typical
Maximum
Unit
3.3V logic level
3.135
3.3
3.465
VIH
2.3
3.3
3.465
VIL
-0.3
0.3
3.2.3 Power Consumption
In the condition of 3.3V power supply, the L860 power consumption as shown in the following table:
Parameter
Mode
Condition
Average
Current(mA)
Ioff
Power off
IWCDMA-RMS
0.08
DRX=6
13
DRX=8
11.5
DRX=9
11
LTE FDD
Paging cycle #64 frames (0.64 sec DRx cycle)
13
LTE TDD
Paging cycle #64 frames (0.64 sec DRx cycle)
13
Radio Off
AT+CFUN=4, Flight mode
10
WCDMA Data call Band 1 @+23.5dBm
665
WCDMA Data call Band 2 @+23.5dBm
625
WCDMA Data call Band 4 @+23.5dBm
825
WCDMA Data call Band 5 @+23.5dBm
570
WCDMA Data call Band 8 @+23.5dBm
565
WCDMA
ISleep
Power supply, module power off
WCDMA
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Parameter
Mode
Condition
Average
Current(mA)
LTE FDD
ILTE-RMS
LTE FDD Data call Band 1 @+23dBm
840
LTE FDD Data call Band 2 @+23dBm
970
LTE FDD Data call Band 3 @+23dBm
785
LTE FDD Data call Band 4 @+23dBm
890
LTE FDD Data call Band 5 @+23dBm
700
LTE FDD Data call Band 7 @+23dBm
890
LTE FDD Data call Band 8 @+23dBm
725
LTE FDD Data call Band 12 @+23dBm
610
LTE FDD Data call Band 13 @+23dBm
750
LTE FDD Data call Band 14 @+23dBm
750
LTE FDD Data call Band 17 @+23dBm
625
LTE FDD Data call Band 18 @+23dBm
690
LTE FDD Data call Band 19 @+23dBm
700
LTE FDD Data call Band 20 @+23dBm
635
LTE FDD Data call Band 25 @+23dBm
1240
LTE FDD Data call Band 26 @+23dBm
700
LTE FDD Data call Band 28 @+23dBm
680
LTE FDD Data call Band 30 @+23dBm
780
LTE FDD Data call Band 66 @+23dBm
915
LTE TDD Data call Band 38 @+23dBm
620
LTE TDD Data call Band 39 @+23dBm
450
LTE TDD Data call Band 40 @+23dBm
770
LTE TDD Data call Band 41 @+23dBm
690
LTE TDD
In 5CA mode, the L860 power consumption as shown in the following table::
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FIBOCOM_L860-GL Hardware User Manual
Page 25 of 55
Condition
Average
5CA Combination
(LTE FDD 5CA, Full RB)
Current(mA)
Band 1 @+22dBm
<2500mA
1+3+3+7+7, 3+3+7+7+28, 2+46+46+46+46,
Band 2 @+22dBm
<2500mA
46+46+46+46+66
Band 3 @+22dBm
<2500mA
Band 5 @+22dBm
<2500mA
Band 7 @+22dBm
<2500mA
2+46+46+46+46, 2+46+46+46+66,
Band 13 @+22dBm
<2500mA
3+28+40+40+40, 4+46+46+46+46,
Band 20 @+22dBm
<2500mA
Band 28 @+22dBm
<2500mA
Band 30 @+22dBm
<2500mA
5+46+46+46+46, 13+46+46+46+46,
Band 40 @+22dBm
<2500mA
41+41+41+41+41
Band 41 @+22dBm
<2500mA
Band 66 @+22dBm
<2500mA
1+3+3+7+20, 1+3+7+7+28, 2+5+5+30+66
2+5+5+66+66, 2+2+46+46+46
2+5+46+46+46, 2+13+46+46+46,
5+46+46+46+66, 13+46+46+46+66,
46+46+46+66+66
2+46+46+46+46, 3+40+40+40+40,
Note:
The data above is an average value obtained by testing some samples.
3.3 Control Signal
The L860 module provides two control signals for power on/off and reset operations, the pin defined as
shown in the following table:
Pin
Pin Name
I/O
Reset Value
Functions
Type
Module power on/off input,
FULL_CARD_POWER
_OFF#
PU
67
RESET#
PU
internal pull up
Power on: High/Floating
Power off: Low
WWAN reset input, internal pull
up(10KΩ), active low
3.3/1.8V
1.8V
Asserted to reset module PCIe
interface default. If module went into
50
PERST#
PU
core dump, it will reset whole
module, not only PCIe interface.
CMOS
3.3V
Active low, internal pull up(10KΩ)
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Note:
RESET# and PERST# need to be controlled by independent GPIO, and not shared with other
devices on the host.
3.3.1 Module Start-Up
3.3.1.1 Start-up Circuit
The FULL_CARD_POWER_OFF# pin needs an external 3.3V or 1.8V pull up for booting up. AP
(Application Processor) controls the module start-up,the circuit design is shown in Figure3-4:
Figure 3-4 Circuit for Module Start-up Controlled by AP
3.3.1.2 Start-up Timing Sequence
When power supply is ready, the PMU of module will power on and start initialization process by pulling
high FULL_CARD_POWER_OFF# signal. After about 10s, module will complete initialization process. The
start-up timing is shown in Figure 3-5:
tpr
+3.3V
FULL_CARD_POWER_OFF#
ton1
RESET#
ton2
PERST#
typical 10s
Module State
OFF
Initialization
Activation(AT Command Ready)
Figure 3-5 Timing Control for Start-up
Index
Minimum
Typical
tpr
0ms
ton1
100ms
200ms
Notes
The delay time of power supply rising from 0V up to 3.135V. If
power supply always ready, it can be ignored
If the RESET# has a residual voltage, then 100ms is necessary
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Index
Minimum
Typical
Notes
ton2
100ms
400ms
PERST# should de-asserted after FULL_CARD_POWER_OFF#
3.3.2 Module Shutdown
Module can be shut down by following control:
Shutdown Control Action
Condition
Software
Normal shutdown(recommend)
Sending AT+CFUN=0 command
Only used when a hardware exception
Pull down
Hardware
FULL_CARD_POWER_OFF# pin
occurs and the software control cannot be
used.
Module can be shut down by sending AT+CFUN=0 command. When the module receives the software
shutdown command, the module will start the finalization process (the reverse process of initialization),
and it will be completed after tsd time(tsd is the time which AP receive OK of “AT+CFUN=0”, if there is no
response, the max tsd is 5s). In the finalization process, the module will save the network, SIM card and
some other parameters from memory, then clear the memory and shut down PMU. The software control
timing is shown in Figure 3-6:
tpd
+3.3V
FULL_CARD_POWER_OFF#
toff1
RESET#
AT+CFUN=0
toff2
PERST#
tsd
Module State
Activation
Finalization
OFF
Figure 3-6 Software control power off timing
Index Minimum
tpd
10ms
Typical
Maxim Notes
100ms
+3.3V power supply goes down time. If power supply is always
on, it can be ignored
toff1
10ms
30ms
RESET# should asserted before FULL_CARD_POWER_OFF#
toff2
0ms
30ms
toff1
PERST# should asserted after RESET#
3.3.3 Module Reset
The L860 module can reset to its initial status by pulling down the RESET# signal for more than 10ms
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FIBOCOM_L860-GL Hardware User Manual
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(30msis recommended), and module will restart after RESET# signal is released. When customer
executes RESET# function, the PMU remains its power inside the module. The recommended circuit
design is shown in the Figure 3-7:
Figure 3-7 Recommended Design for Reset Circuit
There are two reset control timings as below:

Host may keep FULL_CARD_POWER_OFF# high when system restarting, module reset timing
is shown in the Figure 3-8;

Host may assert FULL_CARD_POWER_OFF# high when system restarting, module reset
timing is shown in the Figure 3-9;
+3.3V
FULL_CARD_POWER_OFF#
RESET#
tres1
tres2
PERST#
typical 10s
Module State
Activation
PMU RESET
Restart
Activation
Figure 3-8 Reset control timing1st
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+3.3V
FULL_CARD_POWER_OFF#
tres1
tres1
RESET#
tres2
PERST#
typical 10s
Module State
Activation
PMU RESET
Restart
Activation
Figure 3-9 Reset control timing2nd
Index
Minimum
Typical
tres1
10ms
30ms
Notes
RESET# should asserted time
PERST# should asserted after RESET#.
tres2
0ms
30ms
PERST# is not required for modem restart, thus this pin can be
remains high during restart
Note:
RESET# is a sensitive signal, it’s recommended to add a filter capacitor close to the module. In
case of PCB layout, the RESET# signal lines should keep away from the RF interference and
protected by GND. Also, the RESET# signal lines shall neither near the PCB edge nor route on
the surface planes to avoid module from reset caused by ESD problems.
3.3.4 PCIe Reset
Module supports PCIe goes in to D3cold L2 state in Win10 system. The D0->D3cold
L2@S0/S0ix/S3
->D0 timing is shown in figure 3-10:
+3.3V
FULL_CARD_POWER_OFF#
RESET#
PERST#
Module State
D0
D3cold L2@S0/S0ix/S3
D0
Figure 3-10 PCIe reset timing
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FIBOCOM_L860-GL Hardware User Manual
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3.4 PCIe & USB
L860 module supports PCIe and USB interface for data request. PCIe & USB interface functions are as
below table:
Interface
System
Priority Description
Priority: PCIe>USB.
PCIe
Win10
High
If PCIe and USB ports connected both with PC, module will initial
PCIe first, then disable USB port
It must disconnect PCIe port, only keep USB connecting.
USB
Low
Android/Linux
If keep PCIe and USB connecting both, it needs disable PCIe by
BIOS/UEFI of PC
3.4.1 PCIe Interface
L860 module supports PCIe Gen2, one lane for data transmission channel.it is also compatible with PCIe
Gen1.After L860 module is inserted into PC, PCIe interface can work with the driver, then map a MBIM
port and a GNSS port in Win10 system. While MBIM interface is used for initiating data service in Win10
system and GNSS interface for receiving GNSS data.
3.4.1.1 PCIe Interface Definition
Pin#
Pin Name
I/O
Reset Value Description
41
PETn0
PCIe TX Differential signals
Type
Negative
43
PETP0
PCIe TX Differential signals
Positive
47
PERn0
PCIe RX Differential signals
NegativeBit0
49
PERP0
PCIe RX Differential signals
Positive
53
REFCLKN
PCIe Reference Clock signal
Negative
55
REFCLKP
PCIe Reference Clock signal
Positive
Asserted to reset module PCIe interface
50
PERST#
PU
default. If module went into coredump, it will
CMOS 3.3V
reset whole module, not only PCIe interface.
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Pin#
Pin Name
I/O
Reset Value Description
Type
Active low, internal pull up(10KΩ)
Asserted by device to request a PCIe
reference clock be available (active clock
CLKREQ#
52
state) in order to transmit data. It also used by
L1 PM Sub states mechanism, asserted by
CMOS 3.3V
either host or device to initiate an L1 exit.
Active low, internal pull up(10KΩ)
Asserted to wake up system and reactivate
PCIe link from L2 to L0, it depends on system
PEWAKE#
54
whether supports wake up functionality.
CMOS 3.3V
Active low, open drain output and should add
external pull up on platform
3.4.1.2 PCIe Interface Application
The reference circuit is shown in Figure 3-11:
AP side
Module side
AC Caps
PERn0
PETn0
AC Caps
PETP0
REFCLKN
REFCLKP
+3.3V
10K
PERST#
CLKREQ#
M.2 Key-B 75pin
Connector
PERP0
WAKE#
PETn0(pin41)
PETP0(pin43)
PERn0(pin47)
PERP0(pin49)
REFCLKN(pin53)
REFCLKP(pin55)
PERST#(pin50)
CLKREQ#(pin52)
PEWAKE#(pin54)
Figure 3-11 Reference Circuit for PCIe Interface
L860 module supports PCIe Gen2 interface, including three difference pairs: transmit pair TXP/N, receiving
pair RXP/N and clock pair CLKP/N.
PCIe can achieve the maximum transmission rate of 5 GT/s, and must strictly follow the rules below in
PCB Layout:

The differential signal pair lines shall be parallel and equal in length;

The differential signal pair lines shall be short if possible and be controlled within 15 inch(380 mm)
for AP end;

The impedance of differential signal pair lines is recommended to be 100 ohm, and can be
controlled to 80~120 ohm in accordance with PCIe protocol;
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
It shall avoid the discontinuous reference ground, such as segment and space;

When the differential signal lines go through different layers, the via hole of grounding signal
should be in close to that of signal, and generally, each pair of signals require 1-3 grounding
signal via holes and the lines shall never cross the segment of plane;

Try to avoid bended lines and avoid introducing common-mode noise in the system, which will
influence the signal integrity and EMI of difference pair. As shown in Figure 3-12, the bending
angle of all lines should be equal or greater than 135°, the spacing between difference pair lines
should be larger than 20mil, and the line caused by bending should be greater than 1.5 times line
width at least. When a serpentine line is used for length match with another line, the bended
length of each segment shall be at least 3 times the line width (≥3W). The largest spacing between
the bended part of the serpentine line and another one of the differential lines must be less than
2 times the spacing of normal differential lines (S1<2S);
≥1.5W
≥3W
PCIe Difference Pair 1
≥1
35°
S1<2S
≥20mil
PCIe Difference Pair 2
Figure 3-12 Requirement of PCIe Line

The difference in length of two data lines in difference pair should be within 5mil, and the length
match is required for all parts. When the length match is conducted for the differential lines, the
designed position of correct match should be close to that of incorrect match, as shown in Figure 313. However, there is no specific requirements for the length match of transmit pair and receiving
pair, that is, the length match is only required in the internal differential lines rather than between
different difference pairs. The length match should be close to the signal pin and pass the smallangle bending design.
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Correct match
Dismatched end
Matched end
Incorrect match
Figure 3-13 Length Match Design of PCIe Difference Pair
3.4.2 USB Interface
The L860 module supports USB2.0 which is compatible with USB High-Speed (480 Mbit/s) and USB FullSpeed (12 Mbit/s).For the USB timing and electrical specification of L860 module, please refer to Universal
Serial Bus Specification 2.0”.
When module inserted PC, USB can enumerate three ACM and three NCM ports in Android/Linux system,
the ports can be configured in practical application.
3.4.2.1 USB Interface Definition
Pin#
Pin Name
I/O
Description
USB_D+
I/O
USB Data Plus
Type
0.3---3V,
USB2.0
0.3---3V,
USB_D-
I/O
USB Data Minus
USB2.0
3.4.2.2 USB2.0 Interface Application
The reference circuit is shown in Figure 3-14:
Figure 3-14 Reference Circuit for USB 2.0 Interface
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Since the module supports USB 2.0 High-Speed, it is required to use TVS diodes with equivalent
capacitance of 1pF or smaller ones on the USB_D-/D+ differential signal lines, it is recommended to use
0.5pF TVS diodes.
USB_D- and USB_D+ are high speed differential signal lines with the maximum transfer rate of 480 Mbit/s,
so the following rules shall be followed carefully in the case of PCB layout:

USB_D- and USB_D+ signal lines should have the differential impedance of 90 ohms.

USB_D- and USB_D+ signal lines should be parallel and have the equal length, the right angle
routing should be avoided.

USB_D- and USB_D+ signal lines should be routed on the layer that is adjacent to the ground
layer, and wrapped with GND vertically and horizontally.
3.5 USIM Interface
The L860 module has dual built-in USIM card interface, which supports 1.8V and 3V SIM cards.
3.5.1 USIM1 Pins
The USIM1 pins description as shown in the following table:
Pin
Pin Name
I/O
Reset Value Description
Type
36
UIM_PWR
PO
USIM power supply
1.8V/3V
30
UIM_RESET
USIM reset
1.8V/3V
32
UIM_CLK
USIM clock
1.8V/3V
34
UIM_DATA
I/O
USIM data, internal pull up(4.7KΩ)
1.8V/3V
USIM card detect, internal 390K pullup.
66
SIM_DETECT
PD
Active high, and high level indicates
1.8V
SIM card is inserted; and low level
indicates SIM card is detached.
3.5.2 USIM2 Pins
The USIM2 pins description as shown in the following table:
Pin
Pin Name
I/O
Reset Value Description
Type
48
UIM2_PWR
PO
USIM2 power supply
1.8V/3V
46
UIM2_RESET
USIM2 reset
1.8V/3V
44
UIM2_CLK
USIM2 clock
1.8V/3V
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Pin
Pin Name
I/O
Reset Value Description
42
UIM2_DATA
I/O
USIM2 data, internal pull up(4.7KΩ)
Type
1.8V/3V
USIM2 card detect, internal 390K
pull-up.
40
SIM2_DETECT
PD
Active high, and high level indicates
1.8V
SIM card is inserted; and low level
indicates SIM card is detached.
3.5.3 USIM Interface Circuit
3.5.3.1 N.C. SIM Card Slot
The reference circuit design for N.C. (Normally Closed) SIM card slot is shown in Figure 3-15:
Figure 3-15 Reference Circuit for N.C. SIM Card Slot
The principles of the N.C.SIM card slot are described as follows:

When the SIM card is detached, it connects the short circuit between CD and SW pins, and drives
the SIM_DETECT pin low.

When the SIM card is inserted, it connects an open circuit between CD and SW pins, and drives the
SIM_DETECT pin high.
3.5.3.2 N.O. SIM Card Slot
The reference circuit design for N.O. (Normally Open) SIM card slot is shown in Figure 3-16:
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Figure 3-16 Reference Circuit for N.O. SIM Card Slot
The principles of the N.O.SIM card slot are described as follows:

When the SIM card is detached, it connects an open circuit between CD and SW pins, and
drives the SIM_DETECT pin low.

When the SIM card is inserted, it connects the short circuit between CD and SW pins, and
drives the SIM_DETECT pin high.
3.5.4 USIM Hot-Plugging
The L860 module supports the SIM card hot-plugging function, which determines whether the SIM card is
inserted or detached by detecting the SIM_DETECT pin state of the SIM card slot.
The SIM card hot-plugging function can be configured by “AT+MSMPD” command, and the description for
AT command as shown in the following table:
AT Command
Hot-plugging
Detection
Function Description
Default value, the SIM card hot-plugging detection function is
AT+MSMPD=1
Enable
enabled.
The module can detect whether the SIM card is inserted or not
through the SIM_DETECT pin state.
The SIM card hot-plugging detect function is disabled.
AT+MSMPD=0
Disable
The module reads the SIM card when starting up, and the
SIM_DETECT status will not be detected.
After the SIM card hot-plugging detection function is enabled, the module detects that the SIM card is
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inserted when the SIM_DETECT pin is high, then executes the initialization program and finish the network
registration after reading the SIM card information. When the SIM_DETECT pin is low, the module
determines that the SIM card is detached and does not read the SIM card.
Note:
By default, SIM_DETECT is active-high, which can be switched to active-low by the AT command.
Please refer to the AT Commands Manual for the AT command.
3.5.5 USIM Design
The SIM card circuit design shall meet the EMC standards and ESD requirements with the improved
capability to resist interference, to ensure that the SIM card can work stably. The following guidelines
should be noted in case of design:

The SIM card slot placement should near the module as close as possible, and away from the
RF antenna, DC/DC power supply, clock signal lines, and other strong interference sources.

The SIM card slot with a metal shielding housing can improve the anti-interference ability.

The trace length between the SIM card slot and the module should not exceed 100mm, or it could
reduce the signal quality.

The UIM_CLK and UIM_DATA signal lines should be isolated by GND to avoid crosstalk
interference. If it is difficult for the layout, the whole SIM signal lines should be wrapped with GND
as a group at least.

The filter capacitors and ESD devices for SIM card signals should be placed near to the SIM card
slot, and the ESD devices with 22~33pF capacitance should be used.
3.6 Status Indicator
The L860 module provides two signals to indicate the operating status of the module, and the status
indicator pins as shown in the following table:
Pin
Pin Name
I/O
Reset Value
Pin Description
Type
10
LED1#
System status LED, drain output.
CMOS 3.3V
23
WOWWAN#
PD
Module wakes up Host (AP),Reserved CMOS 1.8V
3.6.1 LED#1 Signal
The LED#1 signal is used to indicate the operating status of the module, and the detailed description as
shown in the following table:
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Module Status
LED1# Signal
RF function ON
Low level (LED On)
RF function OFF
High level (LED Off)
The LED driving circuit is shown in figure 3-17:
Figure 3-17 LED Driving Circuit
Note:
The resistance of LED current-limiting resistor is selected according to the driving voltage and
the driving current.
3.7 Interrupt Control
The L860 module provides four interrupt signals, and the pin definition is as follows:
Reset
Pin
Pin Name
I/O
Pin Description
Type
Value
W_DISABLE1#
PD
Enable/Disable RF network
CMOS 3.3/1.8V
25
DPR
PD
Body SAR detection
CMOS 3.3/1.8V
26
W_DISABLE2#
PD
GNSS Disable signal
Reserved
CMOS 3.3/1.8V
Host antenna configuration
68
ANT_CONFIG
PD
detection
CMOS 1.8V
Reserved
3.7.1 W_DISABLE1#
The module provides a hardware pin to enable/disable WWAN RF function, and the function can also be
controlled by the AT command. The module enters the Flight mode after the RF function is disabled. The
definition of W_DISABLE1# signal is as below table:
W_DISABLE1# signal
Function
High/Floating
WWAN function is enabled, the module exits the Flight mode.
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W_DISABLE1# signal
Function
Low
WWAN function is disabled, the module enters Flight mode.
Note:
The function of W_DISABLE1# can be customized, please refer to the software porting guide.
3.7.2 BODYSAR
The L860 module supports Body SAR function by detecting the DPR pin. The voltage level of DPR is high
by default, and when the SAR sensor detects the closing human body, the DPR signal will be pulled down.
As the result, the module then lowers down its emission power to its default threshold value, thus reducing
the RF radiation on the human body. The threshold of emission power can be set by the AT Commands.
The definition of DPR signal as shown in the following table:
DPR signal
Function
High/Floating
The module keeps the default emission power
Low
Lower the maximum emission power to the threshold value of the module.
3.7.3 ANT_CONFIG
L860 module can be configured to support dual antennas or 4 antennas by detecting the ANT_CONFIG
pin. ANT_CONFIG is an input port which is pulled high internal in default. When ANT_CONFIG is high
level, then module supports dual antennas (Main & D/G ANT). When module detects low level of
ANT_CONFIG, then module will be configured to support 4 antennas. The definition of ANT_CONFIG
signal is shown as below table:
ANT_CONFIG signal
Function
High/Floating
Support dual antennas(Main & D/G ANT),Reserved
Low
Support 4 antennas,Reserved
3.8 ANT Tunable Interface
The module supports ANT Tunable interfaces with two different control modes, i.e. MIPI interface and 4bit
GPO interface. Through cooperating with external antenna adapter switch via ANT Tunable, it can flexibly
configure the bands of LTE antenna to improve the antenna’s working efficiency and save space for the
antenna.
Pin
Pin Name
I/O
Pin Description
Type
22
RFFE_VIO
Tunable ANT control, MIPI Interface,
Power 1.8V
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Pin
Pin Name
I/O
Pin Description
Type
RFFE VIO
56
RFFE_SCLK
Tunable ANT control, MIPI Interface,
CMOS 1.8V
RFFE clock
58
RFFE_SDATA
I/O
Tunable ANT control, MIPI Interface,
CMOS 1.8V
RFFE data
59
ANTCTL0
Tunable ANT control, GPO interface,
CMOS 1.8V
Bit0
ANTCTL1
61
Tunable ANT control, GPO interface,
CMOS 1.8V
bit1
ANTCTL2
63
Tunable ANT control, GPO interface,
CMOS 1.8V
Bit2
ANTCTL3
65
Tunable ANT control, GPO interface,
CMOS 1.8V
Bit3
3.9 Configuration Interface
The L860 module provides four configuration pins for the configuration as the WWAN-PCIe, USB3.0 type
M.2 module:
Pin
Pin Name
I/O
Reset Value
Pin Description
CONFIG_3
NC
21
CONFIG_0
NC
69
CONFIG_1
Internally connected to GND
75
CONFIG_2
NC
Type
The M.2 module configuration as the following table:
Config_0 Config_1
Config_2 Config_3
Module Type and
Port Configuration
(pin21)
(pin69)
(pin75)
(pin1)
NC
GND
NC
NC
Main Host Interface
WWAN - PCIe Gen2, USB3.0
Vender defined
Please refer to PCI Express M.2 Specification Rev1.1” for more details.
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3.10 Other Interfaces
The module does not support other interfaces yet.
4 Radio Frequency
4.1 RF Interface
4.1.1 RF Interface Functionality
The L860 module supports four RF connectors used for external antenna connection. As the Figure 4-1
shows, “M” is for Main antenna, used to receive and transmit RF signals; “D/G” is for Diversity antenna,
used to receive the diversity RF signals. “M1” and “M2” are used for support 4x4 MIMO data transfer.
Figure 4-1 RF connectors
4.1.2 RF Connector Characteristic
Rated Condition
Environment Condition
Frequency Range
DC to 6GHz
Temperature Range
Characteristic Impedance
50Ω
–40°C to +85°C
4.1.3 RF Connector Dimension
L860 module adopts standard M.2 module RF connectors, the model name is 818004607 from ECT
company, and the connector size is 2*2*0.6m. The connector dimension is shown as following picture:
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Figure 4-2 RF connector dimensions
Figure 4-3 0.81mm coaxial antenna dimensions
Figure 4-4 Schematic diagram of 0.81mm coaxial antenna connected to the RF connector
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4.2 Operating Band
The L860 module operating bands of the antennas are as follows:
Operating Band
Description
Mode
Tx (MHz)
Rx (MHz)
Band 1
2100MHz
LTE FDD/WCDMA
1920 - 1980
2110 - 2170
Band 2
1900MHz
LTE FDD/WCDMA
1850 - 1910
1930 - 1990
Band 3
1800MHz
LTE FDD
1710 - 1785
1805 - 1880
Band 4
1700MHz
LTE FDD/WCDMA
1710 - 1755
2110 - 2155
Band 5
850MHz
LTE FDD/WCDMA
824 - 849
869 - 894
Band 7
2600Mhz
LTE FDD
2500 - 2570
2620 - 2690
Band 8
900MHz
LTE FDD/WCDMA
880 - 915
925 - 960
Band 12
700MHz
LTE FDD
699 - 716
729 - 746
Band 13
700MHz
LTE FDD
777 - 787
746 - 756
Band 14
700MHz
LTE FDD
788 – 798
758 – 768
Band 17
700MHz
LTE FDD
704 - 716
734 - 746
Band 18
800MHz
LTE FDD
815 - 830
860 - 875
Band 19
800MHz
LTE FDD
830 - 845
875 - 890
Band 20
800MHz
LTE FDD
832 - 862
791 - 821
Band 25
1900MHz
LTE FDD
1850 – 1915
1930 – 1995
Band 26
850MHz
LTE FDD
814 - 849
859 - 894
Band 28
700MHz
LTE FDD
703 - 748
758 - 803
Band 29
700MHz
LTE FDD
N/A
716 - 728
Band 30
2300MHz
LTE FDD
2305 - 2315
2350 - 2360
Band 66
1700MHz
LTE FDD
1710 - 1780
2110 - 2200
Band 38
2600MHz
LTE TDD
2570 - 2620
Band 39
1900MHZ
LTE TDD
1880 - 1920
Band 40
2300MHz
LTE TDD
2300 - 2400
Band 41
2500MHZ
LTE TDD
2496 - 2690
Band 46
5200MHZ
LTE TDD
N/A
5150 – 5925
GPS L1
1575.42±1.023
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Operating Band
Description
Mode
Tx (MHz)
Rx (MHz)
GLONASS L1
1602.5625±4
BeiDou
1561.098±2.046
4.3 Transmitting Power
The transmitting power for each band of the L860 module as shown in the following table:
Mode
WCDMA
LTE FDD
Band
3GPP Requirement(dBm)
Tx Power(dBm)
Note
Band 1
24+1.7/-3.7
23.5±1
Band 2
24+1.7/-3.7
23.5±1
Band 4
24+1.7/-3.7
23.5±1
Band 5
24+1.7/-3.7
23.5±1
Band 8
24+1.7/-3.7
23.5±1
Band 1
23±2.7
23±1
10MHz Bandwidth, 1 RB
Band 2
23±2.7
23±1
10MHz Bandwidth, 1 RB
Band 3
23±2.7
23±1
10MHz Bandwidth, 1 RB
Band 4
23±2.7
23±1
10MHz Bandwidth, 1 RB
Band 5
23±2.7
23+2/-1
10MHz Bandwidth, 1 RB
Band 7
23±2.7
23±1
10MHz Bandwidth, 1 RB
Band 8
23±2.7
23±1
10MHz Bandwidth, 1 RB
Band 12
23±2.7
23±1
10MHz Bandwidth, 1 RB
Band 13
23±2.7
23±1
10MHz Bandwidth, 1 RB
Band 14
23±2.7
23±1
10MHz Bandwidth, 1 RB
Band 17
23±2.7
23±1
10MHz Bandwidth, 1 RB
Band 18
23±2.7
23±1
10MHz Bandwidth, 1 RB
Band 19
23±2.7
23±1
10MHz Bandwidth, 1 RB
Band 20
23±2.7
23±1
10MHz Bandwidth, 1 RB
Band 25
23±2.7
23±1
10MHz Bandwidth, 1 RB
Band 26
23±2.7
23+2/-1
10MHz Bandwidth, 1 RB
Band 28
23+2.7/-3.2
23±1
10MHz Bandwidth, 1 RB
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Mode
Band
3GPP Requirement(dBm)
Tx Power(dBm)
Note
Band 30
23±2.7
23+1/-2
10MHz Bandwidth, 1 RB
Band 66
23±2.7
23±1
10MHz Bandwidth, 1 RB
Band 38
23±2.7
23±1
10MHz Bandwidth, 1 RB
Band 39
23±2.7
23±1
10MHz Bandwidth, 1 RB
Band 40
23±2.7
23±1
10MHz Bandwidth, 1 RB
Band 41
Normal Mode:23±2.7
HPUE Mode:26±2.7
Normal Mode:23+2/-1
HPUE Mode:26+1.5/-1
10MHz Bandwidth, 1 RB
LTE TDD
4.4 Receiver Sensitivity
4.4.1 Dual Antenna Receiver Sensitivity
All bands support dual antenna, the receiver sensitivity for each band of L860 module is shown in below
table:
Mode
WCDMA
Band
3GPP Requirement
(dBm)
Rx Sensitivity(dBm)
Typical
Note
Band 1
-106.7
-111.0
BER<0.1%
Band 2
-104.7
-110.6
BER<0.1%
Band 4
-106.7
-110
BER<0.1%
Band 5
-104.7
-111.4
BER<0.1%
Band 8
-103.7
-111.4
BER<0.1%
Band 1
-96.3
-101.1
10MHz Bandwidth
Band 2
-94.3
-100.6
10MHz Bandwidth
Band 3
-93.3
-101
10MHz Bandwidth
Band 4
-96.3
-101.5
10MHz Bandwidth
Band 5
-94.3
-103.1
10MHz Bandwidth
Band 7
-94.3
-99
10MHz Bandwidth
Band 8
-93.3
-102.5
10MHz Bandwidth
Band 12
-93.3
-103.2
10MHz Bandwidth
Band 13
-93.3
-103.1
10MHz Bandwidth
Band 14
-93.3
-102.4
10MHz Bandwidth
LTE FDD
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Mode
Band
LTE TDD
3GPP Requirement
(dBm)
Rx Sensitivity(dBm)
Typical
Note
Band 17
-93.3
-103.5
10MHz Bandwidth
Band 18
-96.3
-103.1
10MHz Bandwidth
Band 19
-96.3
-103.2
10MHz Bandwidth
Band 20
-93.3
-102.7
10MHz Bandwidth
Band 25
-92.8
-98.5
10MHz Bandwidth
Band 26
-93.8
-103.0
10MHz Bandwidth
Band 28
-94.8
-103.3
10MHz Bandwidth
Band 29
-93.3
--101
10MHz Bandwidth
Band 30
-95.3
--101
10MHz Bandwidth
Band 66
-95.8
-101.5
10MHz Bandwidth
Band 38
-96.3
-100.2
10MHz Bandwidth
Band 39
-96.3
-102.2
10MHz Bandwidth
Band 40
-96.3
-100.1
10MHz Bandwidth
Band 41
-94.3
-99.4
10MHz Bandwidth
Band 46
-88.5
-95.5
20MHz Bandwidth
Note:
The above values are measured in dual antennas condition (Main+Diversity). For single main
antenna (without Diversity), the sensitivity will drop about 3dBm for each band of LTE.
4.4.2 Four Antenna Receiver Sensitivity
Some middle/high bands support four antenna, the receiver sensitivity for some middle/high bands of L860
module is shown in below table:
Mode
LTE FDD
Band
Middle/High
Bands
3GPP Requirement
(dBm)
Rx Sensitivity
Typical(dBm)
Band 1
Middle Band
-99
-103.5
10MHz Bandwidth
Band 2
Middle Band
-97
-104
10MHz Bandwidth
Band 3
Middle Band
-96
-103
10MHz Bandwidth
Band 4
Middle Band
-99
-104
10MHz Bandwidth
Band 66
Middle Band
-98.5
10MHz Bandwidth
Note
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Mode
Middle/High
Bands
3GPP Requirement
(dBm)
Band 7
High Band
-97
-103
10MHz Bandwidth
Band 30
High Band
10MHz Bandwidth
Band 40
High Band
-99
10MHz Bandwidth
Band 41
High Band
-97
10MHz Bandwidth
(2540~2655MHz)
Band
Rx Sensitivity
Typical(dBm)
LTE TDD
Note
Note:
The above values are measured in four antennas condition (Main+Diversity+M1+M2). If only use
dual antennas (Main+Diversity), the sensitivity will drop about 3dBm for each band of LTE.
4.5 GNSS
L860 module supports GNSS/BeiDou and AGNSS functions, and adopts RF Diversity and GNSS/Beidou
integrated antenna.
Description
Condition
Test Result
GPS fixing
130mA / -122dbm
GPS tracking
130mA / -122dbm
GLONASS fixing
130mA / -122dbm
GLONASS tracking
130mA / -122dbm
BeiDou fixing
130mA / -122dbm
BeiDou tracking
130mA / -122dbm
GPS Sleep
4mA
GLONASS Sleep
4mA
BeiDou Sleep
4mA
Power
Power
GPS
Cold start
37s / -130dBm
Warm start
34s / -130dBm
Hot Start
2s / -130dBm
Cold start
31s / -130dBm
Warm start
22s / -130dBm
Hot Start
3s / -130dBm
TTFF
GLONASS
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Description
Condition
BeiDou
AGNSS
GPS
Sensitivity
GLONASS
BeiDou
Test Result
Cold start
148s / -130dBm
Warm start
148s / -130dBm
Hot Start
3s / -130dBm
Cold start
Tracking
-160dBm
Acquisition
-149dBm
Tracking
-160dBm
Acquisition
-146dBm
Tracking
-160dBm
Acquisition
-141dBm
Note:
Please note that GPS current is tested with RF disabled.
4.6 Antenna Design
The L860module provides main and diversity antenna interfaces, and the antenna design requirements as
shown in the following table:
L860 module Main antenna requirements
Frequency range
The most proper antenna to adapt the frequencies should be used.
WCDMA band 1(2100) : 250 MHz
WCDMA band 2(1900) : 140 MHz
Bandwidth(WCDMA)
WCDMA band 4(1700) : 445 MHz
WCDMA band 5(850) : 70 MHz
WCDMA band 8(900) : 80 MHz
Bandwidth(LTE)
LTE band 1(2100):
250 MHz
LTE band 2(1900):
140MHz
LTE Band 3(1800):
170 MHz
LTE band 4(1700):
445MHz
LTE band 5(850):
70 MHz
LTE band 7(2600):
190 MHz
LTE Band 8(900):
80 MHz
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L860 module Main antenna requirements
LTE Band 12(700):
47 MHz
LTE Band 13(700):
41 MHz
LTE Band 14(700):
40 MHz
LTE Band 17(700):
42 MHz
LTE Band 18(800):
80 MHz
LTE Band 19(800):
80 MHz
LTE band 20(800):
71 MHz
LTE band 25(1900): 145 MHz
LTE band 26(850):
80 MHz
LTE band 28(700):
100 MHz
LTE band 29(700):
12 MHz
LTE band 30(2300):
55 MHz
LTE band 66(1700):
490MHz
LTE band 38(2600):
50 MHz
LTE Band 39(1900):
40 MHz
LTE band 40(2300):
100 MHz
LTE band 41(2500):
194 MHz
LTE band 46(5GHz):
775 MHz
GPS: 2 MHz
Bandwidth(GNSS/BeiDou)
GLONASS: 8 MHz
BeiDou: 4 MHz
Impedance
50 ohm
Input power
> 28 dBm average power WCDMA & LTE
Recommended standing-wave
ratio (SWR)
≤ 2:1
Note:
ANT on B30 suggestion: Peak gain<0dBi, for FCC EIRP requirement, Efficient>50% for carrier
TRP
requirement. If integrator doesn't follow the instruction, Fibocom doesn't take the
responsibility.
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FIBOCOM_L860-GL Hardware User Manual
Page 50 of 55
5 Structure Specification
5.1 Dimension of Structure
The structural dimension of the L860 module is shown in Figure 5-2:
Figure 5-2 Dimension of Structure
5.2 M.2 Interface Model
The L860 M.2 module adopts 75-pin gold finger as external interface, where 67 pins are signal pins and 8
pins are notch pins as shown in Figure 3-1. For module dimension, please refer to 5.2 Dimension of
Structure. Based on the M.2 interface definition, L860 module adopts Type 3042-S3-B interface (30x42mm,
the component maximum height on t top layer is 1.5mm, PCB thickness is 0.8mm, and KEY ID is B).
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5.3 M.2 Connector
The L860 module connects to AP via M.2 connector, it is recommended to use M.2 connector from LOTES
company with the model APCI0026-P001A as shown in Figure 5-3. The package of connector, please refer
to the specification.
Figure 5-3 M.2 Dimension of Structure
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Page 52 of 55
5.4 Storage
5.4.1 Storage Life
Storage Conditions (recommended): Temperature is 23 ± 5 ℃, relative humidity is less than RH 60%.
Storage period: Under the recommended storage conditions, the storage life is 12 months.
5.5 Packing
The L860 module uses the tray sealed packing, combined with the outer packing method using the hard
cartoon box, so that the storage, transportation and the usage of modules can be protected to the greatest
extent.
Note:
The module is a precision electronic product, and may suffer permanent damage if no correct
electrostatic protection measures are taken.
5.5.1 Tray Package
The L860 module uses tray package, 20 pcs are packed in each tray, with 5 trays including one empty tray
on top in each box and 5 boxes in each case. Tray packaging process is shown in Figure 5-4:
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FIBOCOM_L860-GL Hardware User Manual
Page 53 of 55
Figure 5-4 Tray Packaging Process
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Page 54 of 55
5.5.2 Tray size
The pallet size is 315*170*6.5mm, as shown in Figure 5-5:
Figure 5-5 Tray Size (Unit: mm)
ITEM
DIM(Unit: mm)
315.0±2.0
170.0±2.0
6.5±0.3
0.8±0.1
43.0±0.3
31.0±0.3
79.0±0.2
60.0±0.2
180.0±0.2
60.0±0.2
40.0±0.2
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