Wistron NeWeb M18Q2 LGA Module User Manual 1

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User manual
Project Name: M14Q2F
Author: Wistron NeWeb Corporation
Revision: 1.0
Revision Date: 2016/06/23
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User Manual
Contact Information
Sale and Technical Support
SupportIoT.MBA@wnc.com.tw
Website
www.wnc.com.tw
Revision History
Rev. #
Author
Summary of Changes
Date
1.0
WNC MBU
Draft release
2016/6/23
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User Manual
© Wistron NeWeb Corporation
THIS DOCUMENT AND THE INFORMATION CONTAINED HEREIN IS PROPRIETARY AND IS THE EXCLUSIVE
PROPERTY OF WNC AND SHALL NOT BE DISTRIBUTED, REPRODUCED, OR DISCLOSED IN WHOLE OR IN
PART WITHOUT PRIOR WRITTEN PERMISSION FROM WNC.
LIMITATION OF LIABILITY
THIS DOCUMENT AND THE INFORMATION CONTAINED HEREIN IS PURELY FOR DESIGN REFERENCE AND
SUBJECT TO REVISION BY WNC AT ANY TIME. NOTHING IN THIS DOCUMENT SHALL BE CONSTRUED AS
GRANTING ANY WARRANTY OR RIGHT TO USE THE MATERIAL CONTAINED HEREIN WITHOUT WNC “
PRIOR EXPRESS WRITTEN CONSENT. WNC SHALL NOT BE LIABLE FOR ANY USE, APPLICATION OR
DEVELOPMENT DERIVED FROM THE MATERIAL WITHOUT SUCH PRIOR EXPRESS WRITTEN CONSENT.
FCC Regulations:
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.
This device 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 radiated 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.
Caution: Changes or modifications not expressly approved by the party responsible for compliance could void the user s
authority to operate the equipment.
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User Manual
RF Exposure Information
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,
(2) The transmitter module may not be co-located with any other transmitter or antenna.
(3) To comply with FCC regulations limiting both maximum RF output power and human exposure to RF radiation, the
maximum antenna gain including cable loss in a mobile exposure condition must not exceed:
Standalone Condition:
。 8.0 dBi in 700 MHz Band
。8.0 dBi in 850 MHz Band
。5.0 dBi in 1700 MHz Band
。7.5 dBi in 1900 MHz Band
Assuming collocated with a WLAN transmitter with maximum 27 dBm average EIRP power
。 7.0 dBi in 700 MHz Band
。5.0 dBi in 850 MHz Band
。5.0 dBi in 1700 MHz Band
。7.5 dBi in 1900 MHz Band
Remark: This assumption is not valid if the output power of the collocated WLAN transmitter is higher than 27 dBm.
IMPORTANT NOTE:
This module is intended for OEM integrator. The OEM integrator is still responsible for the FCC compliance requirement
of the end product, which integrates this module. 20cm minimum distance has to be able to be maintained between
the antenna and the users for the host this module is integrated into. Under such configuration, the FCC radiation
exposure limits set forth for an population/uncontrolled environment can be satisfied.
Any changes or modifications not expressly approved by the manufacturer could void the user's authority to operate
this equipment.
USERS MANUAL OF THE END PRODUCT:
In the users manual of the end product, the end user has to be informed to keep at least 20cm separation with the
antenna while this end product is installed and operated. The end user has to be informed that the FCC radio-frequency
exposure guidelines for an uncontrolled environment can be satisfied. The end user has to also be informed that any
changes or modifications not expressly approved by the manufacturer could void the user's authority to operate this
equipment. If the size of the end product is smaller than 8x10cm, then additional FCC part 15.19 statement is required
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to be available in the users manual: This device complies with Part 15 of 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.
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User Manual
Contents
Contact Information ......................................................................................................................... 2
Revision History................................................................................................................................ 2
Contents ........................................................................................................................................ 6
1. Introduction........................................................................................................................... 8
1.1. Features .................................................................................................................................8
2.
Electrical Specifications...................................................................................................... 9
2.1. Host interface pin assignments...........................................................................................9
2.1.1.
LGA Pad Diagram ....................................................................................................9
2.1.2.
Pin Assignments .....................................................................................................10
2.2. Power supply .......................................................................................................................12
2.3. USB interface.......................................................................................................................14
2.4. SGMII interface ...................................................................................................................15
2.5. HSIC interface .....................................................................................................................16
2.6. SIM interface ........................................................................................................................17
2.7. Control interface (wakeup) ................................................................................................17
2.8. Digital interface ....................................................................................................................18
3.
2.8.1.
JTAG Interface ........................................................................................................18
2.8.2.
SPI Master Interface ..............................................................................................18
2.8.3.
PCM Interface .........................................................................................................19
2.8.4.
I2S Interface............................................................................................................19
2.8.5.
I2C Interface ...........................................................................................................20
2.8.6.
UART Interface .......................................................................................................20
2.8.7.
ADC Interface .........................................................................................................21
RF Specifications ............................................................................................................... 22
3.1. RF connections ...................................................................................................................22
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3.2. RF Layout guidance ...........................................................................................................22
3.3. Antenna Guidance ..............................................................................................................24
3.4. Interference and sensitivity ................................................................................................24
3.5. Radiated sensitivity measurement ...................................................................................25
3.6. Supported frequencies .......................................................................................................25
4.
Software Interface .............................................................................................................. 27
4.1. Support tools ........................................................................................................................27
4.2. USB interface.......................................................................................................................27
5.
Mechanical and Environmental Certifications ............................................................... 28
5.1. PCBA Form Factor ..............................................................................................................28
5.2. Labeling ................................................................................................................................31
6.
Regulatory Compliance and Certification....................................................................... 32
6.1. Certification testing .............................................................................................................32
7.
Safety Recommendation ................................................................................................... 33
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User Manual
1. Introduction
The M14Q2F is a Cat. 1 LTE modem which incorporates an application CPU subsystem and a host of
peripheral interfaces and functions uniquely designed to address the power/performance/cost
requirements of IoT and M2M applications. The chip is based on Qualcomm s MDM architecture which
offers OFDMA-related software based signal processing capabilities that significantly exceed traditional
communications ARM cores.
The CPU subsystem features a high performance Cortex A7 microprocessor running a Linux OS with a
variety of host interfaces including USB 2.0, SGMII, SPI, UART, PCM, I2C, HSIC, USIM & SDC. The module
supports integrated VoLTE functionality, with a variety of narrow- and wide-band CODECs and full IMS
signaling.
1.1. Features









3GPP category support: LTE Cat. 1 with (10Mbps downlink, 5Mbps uplink)
Supports LTE B2/4/5/12
Supports WCDMA B2/5
Ultra-high-performance Cortex A7 microprocessor
Modem subsystem (MSS)
Integrated support for VoLTE
Resource and power management (RPM) subsystem
Optimized for M2M and IoT markets
Interfaces
– HS USB 2.0 with integrated PHY
– SGMII interface
– HSIC interface
– Dual UART interfaces (4 bit and 2 bit) for data transfer and diagnostic tools
– SDC1: First SPI interface
– I2C: Second SPI interface
– USIM interface
– GPIOs
– ADC
– PCM/I2S
– JTAG interface
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2. Electrical Specifications
2.1. Host interface pin assignments
2.1.1. LGA Pad Diagram
Figure 1. LGA pad diagram (top view)
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2.1.2. Pin Assignments
Table 1. Pin interface family
Interface Family
RF Interfaces
User Identity Module
USB 2.0
HSIC
SGMII
Data
Interfaces
UART1
UART2
I2C/2nd_ SPI
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Signal
Description
I/O
ANT1_DRX
Diversity antenna
ANT_GNSS
Reserved for GNSS receiver
ANT0_TRX
Main Antenna
I/O
VREG_L6_UIM1
Power source for UIM
UIM1_DATA
Data in/out
I/O
UIM1_CLK
Clock signal
UIM1_RESET
Reset signal
UIM1_DETECT
UIM Detect signal
I/O
USB_HS_DP
USB Data Positive
I/O
USB Detect
USB Detect
USB_HS_DM
USB Data Negative
I/O
HSIC USB_STROBE
HSIC USB Strobe
I/O
HSIC USB_DATA
HSIC USB Data
I/O
SGMII_RX_P
SGMII receive - plus
SGMII_RX_M
SGMII receive - minus
SGMII_TX_P
SGMII transmit - plus
SGMII_TX_M
SGMII transmit - minus
SGMII_MDIO
SGMII Management data
I/O
SGMII_MDC
SGMII Management data clock I/O
UART1_CTS_N
Clear To Send for UART 1
UART1_RFR_N
UART ready for frame
UART1_RX
Receive for UART 1
UART1_TX
Transmit for UART 1
MDM_DBG_UART_RX
Receive for UART 2
MDM_DBG_UART_TX
Transmit for UART 2
I2C_SDA
Data in/out
I/O
2nd_SPI_EN_1
2nd_SPI chip select
I2C_SCL
Clock signal
2nd_SPI_CLK
2nd_SPI serial clock
NC
NC
SPI_MOSI
2nd_SPI master out slave in
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SDC1/1st_SPI
Module Control and
State Interfaces
Power and Ground
General Purpose
AUDIO
RFU
Debug
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PCM/I2S
RFU
JTAG
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SPI_MISO
2nd_SPI master in slave out
SDC1_DATA_3
SDC1_DATA_3
I/O
1st_SPIM_MOSI
1st_SPI master out slave in
SDC1_DATA_2
SDC1_DATA_2
I/O
1st_SPIM_MISO
1st_SPI master in slave out
SDC1_DATA_1
SDC1_DATA_1
I/O
1st_SPI chip select
SDC1_DATA_0
SDC1_DATA_0
I/O
1st_SPIM_CLK
1st_SPI serial clock
SDC1_CMD
SDC1_CMD
I/O
SDC1_CLK
SDC1_CLK
WWAN_STATE
Wireless WAN Radio State
POWER_ON
Power On the module
WAKEUP_OUT
Module wakes up host OR GPIO O
WAKEUP_IN
Host wakes up module OR GPIO. I
RESET
Reset the module
VREF
Voltage Reference Output
VCC
Main Power
GND
GND
GPIO
Digital I/O
I/O
ADC_CONVENTOR
ADC_CONVENTOR
PCM_DIN
PCM_DIN
IO
AUX_BT_I2S_DATA0
AUX_BT_I2S_DATA0
IO
PCM_DOUT
PCM_DOUT
IO
AUX_BT_I2S_DATA1
AUX_BT_I2S_DATA1
IO
PCM_CLK
PCM_CLK
AUX_BT_I2S_SCK
AUX_BT_I2S_SCK
PCM_SYNC
PCM_SYNC
AUX_BT_I2S_WS
AUX_BT_I2S_WS
RFU
Reserved For Future Use
MDM_JTAG_SRST_N
JTAG reset for debug
MDM_JTAG_TCK
JTAG clock input
MDM_JTAG_TDI
JTAG data input
MDM_JTAG_TDO
JTAG data output
MDM_JTAG_TMS
JTAG mode select input
MDM_JTAG_TRST_N
JTAG reset
1st_SPIM_EN_1
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Force_USB_BOOT
MDM_PS_HOLD
PS_HOLD
Force_USB_BOOT_CONFIG
Force USB BOOT CONFIG
Table 2. Digital I/O characteristics
Note: This is preliminary data for reference and will be updated according to the final version of the
MDM9207 datasheet.
2.2. Power supply
LTE module power input is VCC. The internal power chipset will transfer VCC to other power level.
Table 3. Power supply specifications
Power
Pin Name
Pads
Description
VCC
VCC1 to VCC6 Nos. 37 to 42 Main Power Supply
Voltage Level (V)
Min.
Typ.
Max.
3.3
3.8
4.2
The M14Q2F includes an integrated power manager enabling single and direct voltage supply from the
battery, reducing the overall bill of materials.
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VCC (3.3 V to 4.2 V)
VCC (3.3 V to 4.2 V)
VCC (3.3 V to 4.2 V)
VCC (3.3 V to 4.2 V)
VCC (3.3 V to 4.2 V)
DCDC1.125 V
DCDC1.275 V
DCDC1.125 V
DCDC1.95 V
VREG_S1
VREG_S2
VREG_S3
VREG_S4
LDOS
1.125 V
1.275 V
1.125 V
1.95 V
VREG_L1
1.25 V
1.8 V
VREG_L2
1.8 V
VREG_L3
3.075 V
VREG_L4
VREG_L5
2.85 V
VREG_L6
2.85 V
1.8 V
VREG_L7
1.8 V
VREG_L8
VREG_L9
1.225 V
VREG_L10
1.025 V
1.8 V
VREG_L11
1.15 V
VREG_L12
2.85 V
VREG_L13
VREG_L14
2.7 V
VREG_RFCLK
1.8 V
VREG_XO
1.8 V
VREG_LPDDR 0.6 V
Figure 2. M14Q2F internal power path
Layout Suggestion: Each power trace should possess sufficient line width to withstand its respective
current listed in the table below:
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Net Name
Current Value
VCC(1–6) total
2A
UIM_VCC
150 mA
VREF
300 mA
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2.3. USB interface
The M14Q2F module complies with USB 2.0 high-speed protocol. The USB input/output lines follow USB
2.0 specifications.
Table 4. Signals of the USB interface
Name
Description
USB data positive
(low-/full-speed)
Input/Output
(Direction to module)
Voltage Level (V)
Min.
Typ.
Max.
Input High
3.3
3.6
Input Low
Output High
2.8
0.8
3.3
Output Low
D+
USB data positive
(high-speed)
USB data negative
(low-/full-speed)
0.3
Input High
0.3
0.44
Input Low
0.01
Output High
0.36
Output Low
Input High
Input Low
Output High
2.8
0.38
USB data negative
(high-speed)
0.44
0.01
3.3
3.6
0.8
3.3
Output Low
D–
3.6
3.6
0.3
Input High
0.3
0.44
Input Low
0.01
Output High
0.36
Output Low
0.38
0.44
0.01
The layout design of this circuit on the host board should comply with the USB 2.0 high-speed protocol.
Layout suggestion:
 Differential impedance: 90 Ω
 Space to other signals should be at least 20 mils
 Intra-lane length difference should be less than 150 mils
 Maximum length for each trace:150 mm
Signals lengths on M14Q2F are tuned as below:
Function
USB
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Net
Length (mil)
USB_Dp
545.54
USB_Dn
503.04
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2.4. SGMII interface
The M14Q2F includes integrated Ethernet MAC with SGMII interfaces with the following key features:
 IEEE 802.3 compliance
 Full duplex at 1 Gbps
 Half/full duplex for 10/100 Mbps
 Supports VLAN tagging
 Supports IEEE 1588, Precision Time Protocol (PTP)
 Can be used to connect to external Ethernet PHYs such as AR8033 or to an external switch
The following figures describe an example of the additional logic connection between the M14Q2F and
the Ethernet chip.
Figure 3. SGMII circuit example
Layout suggestion:
 Differential impedance:100 Ω
 Space to other signals: > 3x line width
 Lane-to-lane space: > 3x line width
 Intra-lane mismatch: < 0.7 mm
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Signals lengths on the M14Q2F are tuned as below:
Function
SGMII
Net
Length (mil)
SGMII_TX_P
617.11
SGMII_TX_M
642.13
SGMII_RX_P_C+SGMII_RX_P
661.40
SGMII_RX_M_C+SGMII_RX_M
675.06
2.5. HSIC interface
The M14Q2F includes a HSIC interface. This host interface can be connected to other application
processor or interface-transfer chipset.
Figure 4. HSIC circuit example
Layout suggestion:
 Single-end impedance: 50 Ω
 Intra-lane mismatch: < 2 mm
 Maximum trace length:100 mm
Signals lengths on the M14Q2F are tuned as below:
Function
HSIC
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Net
Length (mil)
HSIC_STB
287.29
HSIC_DATA
315.04
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2.6. SIM interface
The M14Q2F includes a SIM controller, interface pins, and a dedicated LDO (3.0 V or 1.8 V).
The following figures describe the additional logic connection between the M14Q2F and the SIM card.
Figure 5. SIM card circuit (example)
2.7. Control interface (wakeup)
In applications where power consumption is a major factor in performance metrics (such as
battery-operated sensors that are based on IOT/M2M modem solution and also include a third party
host), it is necessary to define a simple interface that will allow both the modem and the host to be able
to enter low power states whenever possible and the other side to wake it up once required.
For example, if the host has no data to transmit nor any other tasks, it may enter some low power state
according to its own capabilities and configurations. If during that period the host is in a low power state
and the modem suddenly receives data, it must wake-up the host.
A similar requirement exists from the other side. For example, if the modem is in a low power state and
suddenly the host must transmit data, it must be able to wake-up the modem.
The interface consists of two signals: One is driven by the host and received by the modem; the other is
driven by the modem and received by the host.
Each side can wake the other side by toggling wakeup signal high and allowing the other side to go to
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sleep when not needed by toggling it low.
 WAKEUP_IN Host: Output, Mode : I put :
LOW: SoC does not require the MODEM (allowing it to sleep).
HIGH: SoC requires the MODEM or acknowledges it is ready following a wakeup request from the
MODEM.
 WAKEUP_OUT (Host: Input, Modem: Output):
LOW: The MODEM does not require the Host (allowing it to sleep)
HIGH: The MODEM requires the Host or acknowledges it is ready following a wakeup request
from the SoC.
2.8. Digital interface
This section provides the required AC timing information relating to Module Digital Interfaces.
2.8.1. JTAG Interface
There is one JTAG interface for LGA module debugging.
Figure 6. JTAG schematic (example)
2.8.2. SPI Master Interface




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SPIM_CLK – Output clock
SPIM_CS – Output, chip-select
SPIM_MOSI – Output, data to slave
SPIM_MISO – Input, data from slave
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Timing
Note: This part will be updated according to the final MDM9207 datasheet.
2.8.3. PCM Interface
The LGA module provides one PCM digital audio interface. The PCM data bus voltage level is 1.8 V.
Figure 7. PCM connection (example)
2.8.4. I2S Interface
PCM and I2S share the same pins on the M14Q2F; the PCM signal pins can be configured as an I2S
interface.
Config1
Config2
PCM_SYNC
I2S_WS
PCM_DIN
I2S_DATA0
PCM_DOUT
I2S_DATA1
PCM_CLK
I2S_SCK
Figure 8. I2S connection (example)
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2.8.5. I2C Interface
Adding pull-high resistors to 1.8 V through the 2.2 kΩ resistors is recommended.
Figure 9. I2C connection (example)
2.8.6. UART Interface
There are two UART interfaces: One is a 4 bit UART for high-speed data transfer, and the other is a 2 bit
UART for diagnostic tools and debugging.
Figure 10.
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UART connection (example)
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2.8.7. ADC Interface
An Analog to Digital Converter (ADC) input is provided by the M14Q2F. The converter is a 16 bit
resolution, ranging from 0.1 V to 1.7 V, with a sampling rate of 2.4 MHz.
Layout suggestion:
 Should be protected by GND
 Should be protected from noise and other easily radiated signals
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3. RF Specifications
3.1. RF connections
The M14Q2F has three RF pads; developers may connect them via 50 Ω traces to the main board.
ANT0_TRX pad (Pin15) – Primary RX/TX path
ANT1_DRX pad (Pin21) – Diversity path
ANT_GNSS pad (Pin9) – NA
3.2. RF Layout guidance
It is recommended that grounds not be present under the surface of the RF pads in the layout. Details
are included below.
0.5mm
Pin15
0.5mm
Pin21
Pin9
GND
Layer1
GND
Layer2
GND
Layer3
The RF trace between RF pads and antenna should as shorter as possible with 50ohm characteristic
impedance.
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The characteristic impedance depends on the dielectric of PCB, the track width and the
ground plane spacing. Microstrip type is required. The detail simulation as below.
The RF trace of the test board which was used in the FCC test is defined as below.
Length2 white =1461mil
Trace width：20mil
R4
Diversity Antenna
interface port
RF I/O port
Diversity path
R3
R1
R2
Primary Antenna
interface port
RF I/O port
Primary path
Length1=1000mil
Trace width：20mil
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Note:R1=R2=R3=R4=0ohm
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Connector to
Antenna
3.3. Antenna Guidance
The antenna should be 50ohm characteristic impedance with the return loss of better than -10dB
at the operation band. The antenna gain would affect the radiated power and regulator test result.
3.4. Interference and sensitivity
This section includes tips to assist developers in identifying the interference that may affect the M14Q2F
when is it used in systems.
 Interference from other wireless devices
– Harmonics, inter-modulated signal generated from wireless devices that fall in RX ranges of
the M14Q2F, may result in degraded RX performance.
– It is highly recommended to check RX performance of entire systems within the shielding
environment.
 Interference from host interface
– High-speed signal-switching elements in systems can easily couple noise into the module
(Ex.: DDR memory, LCD modules, DC-DC converter).
 Methods to avoid sources of interference
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– Antenna location is important; we recommend directing the antenna away from high-speed
switching signals. Furthermore, the trace from the module to the antenna should be as
short as possible and must be shielded by complete grounding.
– The M14Q2F is well shielded; the high-speed elements on a system should have shielding
reserved during the early stages of development.
3.5. Radiated sensitivity measurement
Over-the-air testing can demonstrate the TRX ability of the whole system. Keys elements that affect the
measurement are:
Module ability (refer Specification)
Antenna Gain
System noise source
The OTA performance should be performed in an OTA chamber.
GPIO05Pin129 GPI
3.6. Supported frequencies
Table 5. Band support
□ Normal
Band
Uplink (MHz)
Downlink (MHz)
LTE Band 2
1,850–1,910
1,930–1,990
LTE Band 4
1,710–1,755
2,110–2,155
LTE Band 5
824–849
869–894
LTE Band 12
699–716
729–746
Band
Uplink (MHz)
Downlink (MHz)
WCDMA Band 2
1,850–1910
1,930–1,990
WCDMA Band 5
824–849
869–894
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Table 6. Bandwidth support
Bandwidth
Band
1.4 MHz
3 MHz
5 MHz
10 MHz
15 MHz
20 MHz
LTE Band 2






LTE Band 4






LTE Band 5




LTE Band 12




Table 7. Conductive Rx sensitivity
Band
Items
Parameter
Unit
LTE Band 2
Receive Sensitivity
10 MHz with 50 RBs
dBm
–94.3
LTE Band 4
Receive Sensitivity
10 MHz with 50 RBs
dBm
–96.3
LTE Band 5
Receive Sensitivity
10 MHz with 50 RBs
dBm
–94.3
LTE Band 12
Receive Sensitivity
10 MHz with 50 RBs
dBm
–93.3
Band
Items
Parameter
Unit
WCDMA Band 2
Receive Sensitivity
WCDMA Band 5
Receive Sensitivity
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Min.
Min.
Typ.
Max.
Typ.
Max.
dBm
–110
–104.7
dBm
–110
–104.7
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4. Software Interface
4.1. Support tools
The M14Q2F is compatible with the following support tools:
 WNC M14Q2F Connection Manager (WNCCM)
4.2. USB interface
The M14Q2F supports 3GPP standard AT commands and proprietary AT commands; the MAL Manager
SDK is also supported for Linux platforms.
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5. Mechanical and Environmental Certifications
5.1. PCBA Form Factor
Dimensions 26.3 mm (typ.) × 23.1 mm (typ.) × 2.3 mm (typ.), tolerance: ± 0.15 mm
Top view
Right view
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Bottom view
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Pads location
Pin1 location
Figure 11.
PCBA dimensions
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5.2. Labeling
When the module is installed in the host device, the FCC ID label must be visible through a window on
the final device or it must be visible when an access panel, door or cover is easily re-moved. If not, a
second label must be placed on the outside of the final device that contains the following text:
Co tai s FCC ID: NKRM18Q2
The grantee's FCC ID can be used only when all FCC compliance requirements are met
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6. Regulatory Compliance and Certification
6.1. Certification testing
PTCRB, FCC and AT&T TA
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7. Safety Recommendation
Be sure the use of this product is allowed in the country and in the environment required. The use of this
product may be dangerous and must be avoided in the following areas:
 Where it can interfere with other electronic devices in environments such as hospitals, airports,
and aircraft
 Where there is a risk of explosion such as gasoline stations and oil refineries
It is the responsibility of the user to comply with his or her country s regulations and the specific
environmental regulations.
Do not disassemble the product; any mark of tampering will compromise the warranty s validity.
We recommend following the instructions of the hardware user guides for a correct wiring of the
product. The product must be supplied with a stabilized voltage source, and the wiring must conform to
the security and fire-prevention regulations.
This product must be handled with care; avoid any contact with the pins because electrostatic discharge
may damage the product. Same caution must be taken regarding the SIM card; carefully check the
instructions for its use. Do not insert or remove the SIM when the product is in power-saving mode.
The system integrator is responsible of the functioning of the final product; therefore, care must be
taken for the external components of the module as well as for project or installation issues—there may
be a risk of disturbing the GSM network or external devices or of having an impact on device security. If
you have any doubts, please refer to the technical documentation and the relevant regulations in force.
Every module must be equipped with a proper antenna with specific characteristics. The antenna must
be installed with care in order to avoid any interference with other electronic devices.
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