Fibocom Wireless M910GL LTE(CatM1, NB-IoT) Module User Manual

Fibocom Wireless Inc. LTE(CatM1, NB-IoT) Module Users Manual

Users Manual

 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 1 of 45    M910-GL Series Hardware User Manual   Version: V1.0.1 Update date: Mar 21, 2018
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 2 of 45  Applicability Table No. Product model Description 1 M910-GL-00-00 MCP is 1G + 512M and supports MAIN_ANT and GNSS_ANT        Copyright   Copyright©2017 Fibocom Wireless Co., Ltd. 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 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.  Version Record Version Update Date Description V1.0.0 2017-12-24 Initial version V1.0.1 2018-03-21 Add VBUS feature description
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 3 of 45  Contents 1 Foreword ................................................................................................... 5 1.1 Introduction ............................................................................................ 5 1.2 Safety Instruction .................................................................................... 5 1.3 Reference Standards ................................................................................ 6 1.4 Related Document ................................................................................... 6 1.5 EU Declaration of Conformity (DoC) ........................................................ 7 1.6 Federal Communication Commission Interference Statement ........................ 8 1.7 IC Statement ......................................................................................... 10 2 Product Overview ..................................................................................... 12 2.1 Product Introduction .............................................................................. 12 2.2 Product Specifications ............................................................................ 12 2.3 Hardware Diagram ................................................................................ 13 3 Application Interface ................................................................................ 15 3.1 LGA Interface ....................................................................................... 15 3.1.1 Pin Distribution ...................................................................................... 15 3.1.2 Pin definition .......................................................................................... 16 3.2 Power Supply ........................................................................................ 20 3.2.1 Power Supply .......................................................................................... 20 3.2.2 1.8V Output ............................................................................................ 20 3.2.3 Power consumption ................................................................................. 20 3.3 Control Signal ....................................................................................... 22 3.3.1 Module start-up....................................................................................... 23 3.3.2 Module shutdown .................................................................................... 24 3.3.3 Module reset ........................................................................................... 25 3.4 USB Interface ....................................................................................... 26 3.4.1 USB interface definition ........................................................................... 26 3.5 USIM Interface ..................................................................................... 27 3.5.1 USIM pin ................................................................................................ 27 3.5.2 USIM interface circuit ............................................................................. 27 3.5.3 USIM design requirements ....................................................................... 29 3.6 UART Interface ..................................................................................... 29 3.6.1 UART interface definition ........................................................................ 29 3.6.2 UART interface application ...................................................................... 30
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 4 of 45  3.7 Status Indicator ..................................................................................... 30 3.8 PCM/IIS ............................................................................................... 31 3.8.1 Digital voice interface definition .............................................................. 31 3.8.2 Interface description ................................................................................ 31 3.8.3 Signal description ................................................................................... 31 3.9 ADC function ....................................................................................... 31 4 Antenna Interface ..................................................................................... 32 4.1 Antenna design ..................................................................................... 32 4.1.1 Antenna RF connector ............................................................................. 32 4.1.2 RF output power of M910-GL .................................................................. 33 4.1.3 RF receiving sensitivity of M910-GL ......................................................... 34 4.1.4 Operating frequency of M910-GL supported bands (MHz) ......................... 35 4.2 Antenna Design ..................................................................................... 36 4.2.1 Antenna design requirements .................................................................... 36 5 Electrical Characteristics .......................................................................... 37 5.1 Limiting voltage range ........................................................................... 37 5.2 Environment temperature range ............................................................... 38 5.3 Electrical characteristics of the interface in operating status ........................ 38 5.4 Environmental reliability requirements ..................................................... 39 5.5 ESD characteristics ................................................................................ 40 6 Structure Specification.............................................................................. 41 6.1 Product Appearance ............................................................................... 41 6.2 Dimension of Structure .......................................................................... 42 6.3 SMT Patch ............................................................................................ 42 6.4 Storage ................................................................................................. 42 6.4.1 Storage life ............................................................................................. 42 6.4.2 Baking .................................................................................................... 43 6.5 Packaging ............................................................................................. 43 6.5.1 Tape packaging ....................................................................................... 44 6.5.2 Packaging list (TBD) ............................................................................... 44
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 5 of 45  1 Foreword 1.1 Introduction This document describes the electrical characteristics, RF performance, structure size, application environment, etc. of M910-GL module. With the assistance of the document and other instructions, the  developers  can  quickly  understand  the  hardware  functions  of  the  M910-GL  module  and develop products. 1.2 Safety Instruction By following the safety guidelines below, you can protect the personal safety and help protect the product and work environment from potential damage. Product manufacturers need to communicate the following safety instructions to end users. In case of failure to comply with these safety rules, Fibocom will not be responsible for the consequences caused by the user’s misuse.  Road safety first! When you drive, do not use the handheld devices even if it has a hand-free feature. Please stop and call!   Please turn off the mobile device before boarding. The wireless feature of the mobile device is  not  allowed on the aircraft to prevent interference with the aircraft communication system. Ignoring this note may result in flight safety issue or even breaking the law.        When in  a  hospital or health care  facility,  please be aware of restrictions on the  use  of  mobile  devices.  Radio frequency  interference  may  cause medical equipment  to  malfunction,  so  it  may  be  necessary  to  turn  off  the  mobile device.  The  mobile  device  does  not  guarantee  that  an  effective  connection  can  be made under any circumstances, for example, when there is no prepayment for the  mobile  device  or  the  SIM  is  invalid.  When  you  encounter  the  above situation in an emergency, remember to use an emergency call, while keeping your device turned on and in areas where signal is strong.  Your mobile device receives and transmits RF signals when it is powered on.
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 6 of 45  Radio  interference  occurs  when  it  is  near  televisions,  radios,  computers,  or other electronic devices.   Keep  the  mobile  device  away  from  flammable  gases.  Turn  off  the  mobile device  when  near  gas  stations,  oil  depots,  chemical  plants  or  explosive workplaces. There is a safety hazard in operating electronic equipment in any potentially explosive environment. 1.3 Reference Standards This design of the product complies with the following standards:  3GPP TS 51.010-1 V10.5.0: Mobile Station (MS) conformance specification; Part 1: Conformance specification  3GPP TS 34.121-1 V10.8.0: User Equipment (UE) conformance specification; Radio transmission and reception (FDD); Part 1: Conformance specification  3GPP TS 34.122 V10.1.0: Technical Specification Group Radio Access Network; Radio transmission and reception (TDD)  3GPP TS 36.521-1 V10.6.0: 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) 1.4 Related Document FIBOCOM M910-GL LGA SMT Application Design Instruction
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 7 of 45  1.5 EU Declaration of Conformity (DoC) Hereby we, Name of manufacturer: Fibocom Wireless Inc. Address: 5/F,Tower A,Technology Building II,1057 Nanhai Avenue Zip code & City: Shenzhen Country: China Telephone number: +86 755 26525092   declare that this DoC is issued under our sole responsibility and that this product: Product description: LTE(CatM1, NB-IoT) Module Type designation(s): M910-GL Trademark: Fibocom Batch / Serial number:    Object of the declaration (further identification of the radio equipment allowing traceability; it may include a color image for the identification of the radio equipment):   is in conformity with the relevant Union harmonization legislation:   Radio Equipment directive: 2014 / 53 / EU    with reference to the following standards applied: EN 301 489-1 V2.1.1;                                      EN 301 489-19 V2.1.0; EN 301 489-52 V1.1.0;                                    EN 303 413 V1.1.1 EN 301 511 V12.5.1;                                        EN 301 908-1 V11.1.1 EN 301 908-13 V11.1.2 EN 62311:2008 EN 60950-1:2006+ A11:2009 + A1:2010 + A12:2011 + A2:2013  The  Notified Body  SGS  United Kingdom Limited, with  Notified Body number  0890 performed:     Modules: B+C and issued the EU-type examination certificate.  Signed:                                                  Printed name: Yin Jixiong               Place and date of issue:2018-07-24               On behalf of Company name: Fibocom Wireless Inc. Position within Company: Regulatory Principal Engineer
Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual    Page 8 of 45 1.6 Federal Communication Commission Interference Statement 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 device complies with FCC radiation exposure limits set forth for an uncontrolled environment. In order to avoid the possibility of exceeding the FCC radio frequency exposure limits, human proximity to the antenna shall not be less than 20cm (8 inches) during normal operation. 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 transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. 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 andusers, and the Max allowed antenna gain is as following table showed:
Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual    Page 9 of 45 Operating Band Antenna Gain(dBi) GSM850 5.46 GSM1900 3 LTE-M1 BAND 2 9.5 LTE-M1 BAND 4 6.5 LTE-M1 BAND 12 12.94 LTE-M1 BAND 13 13.42 LTE-M1 BAND 26(814-824) 11.65 LTE-M1 BAND 26(824-849) 14.46 LTE-NB1 BAND 2 9.5 LTE-NB1 BAND 4 6.5 LTE-NB1 BAND 12 12.95 LTE-NB1 BAND 13 13.42 LTE-NB1 BAND 26(814-824) 11.65 LTE-NB1 BAND 26(824-849) 14.46 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 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: ZMOM910GL”.The grantee's FCC ID can be used only when all FCC compliance 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.
Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual    Page 10 of 45 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. 1.7 IC Statement 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'appareil ne 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,
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 11 of 45  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-M910GL
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 12 of 45  2 Product Overview 2.1 Product Introduction The M910-GL is a multi-mode (LTE Cat.M1, LTE Cat.NB1 and EGPRS) IoT wireless communication module that supports half-duplex LTE and GSM. It can provide data connection in LTE-FDD, LTE-TDD, GPRS and EGPRS networks, and also supports GNSS and VOLTE (LTE Cat.M1). 2.2 Product Specifications Specification  Operating frequency band LTE FDD : B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/B26/B28 LTE TDD : B39 (Cat.M1 only) GSM : GSM850/GSM900/DCS1800/PCS1900 Data transmission LTE features Support Cat.M1 and Cat.NB1 Cat.M1:  The  maximum  uplink  rate  375kbps,  the maximum downlink rate 375kbps Cat.NB1:  The  maximum  uplink  rate  70kbps,  the maximum downlink rate 32kbps GSM features GPRS:  the  maximum  downlink  rate  107kbps,  the maximum uplink rate 85.6kbps EDGE: The maximum downlink rate 296kbps, the maximum uplink rate 236.8kbps Power  supply voltage 3.3V~4.3V (3.8V recommended) Temperature Normal: -30°C~+75°C Extended: -40°C  ~+85°C Storage: -40°C  ~+85°C Physical characteristics Package: LGA 120Pin Size: 27.6×25.4×2.3 mm Weight: TBD Interface Antenna Antenna: Main x 1、GNSS x 1
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 13 of 45  Functional interface USIM 3.0V/1.8V USB 2.0 x 1 UART, SIM, PCM, I2C System Indicator Clock   ADC Software Protocol Stack Support PPP/TCP/UDP/SSL/TLS/FTP(S)/HTTP(S) protocols AT Command 3GPP TS 27.007 and 27.005, and proprietary FIBOCOM AT Firmware update FOTA Voice service Support SMS Text and PDU mode; point-to-point SMS; SMS broadcast MMS service   TBD  Note: When the  temperature is beyond the normal operating temperature range  (-30  °C to  + 75 °C), the RF performance of the module may slightly exceed the 3GPP specifications. 2.3 Hardware Diagram Figure 2-1 hardware diagram shows the main hardware features of the M910-GL module.  PMIC  MCP  Clock  Function interface  Transceiver  RF PA  RF filter  RF switch
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 14 of 45  PMICBasebandControl19.2MxoTransceiver NANDDDR2IQPOWERGPIO Uarts PCMIIS USIMIICUSBV180LEDEMG_RSTADCA_ON2G PA+SWITCH LTE PABATT+TX RX TXLNASAWRF_OUT GNSS_OUT Figure 2-1 Hardware Diagram
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 15 of 45  3 Application Interface 3.1 LGA Interface M910-GL module adopts LGA packaging with a total of 120 pins. It can be applied to the client’s wireless application platform. The function of interface:  Power supply     Power on/off, reset  interface  interface  interface       I2C interface  Status indication interface  Emergency download interface 3.1.1 Pin Distribution  Figure 3-1 Pin Distribution Diagram
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 16 of 45  Note: It is recommended that the heat sink pad is reserved for the PCB packaging and welded. 3.1.2 Pin definition The pin definitions are as shown in the following table: Pin Pin Name I/O Level Description 1 DNC - -  2 DNC - -  3 GND G - Ground 4 BATT+ I 3.8V RF PA power input(3.3V-4.3V) 5 GND G - Ground 6 ADC I - Analog input 7 ON I 1.8V High level power-on control pin; can be floating 8 GND G - Ground 9 V180 O 1.8V Module digital level, 1.8V output, 80mA 10 RXD0 I 1.8V Serial interface signal 11 CTS0 O 1.8V Serial interface signal 12 TXD0 O 1.8V Serial interface signal 13 RING0 O 1.8V Serial interface signal 14 RTS0 O 1.8V Serial interface signal 15 DNC - -  16 CCRST O 1.8V or 3.0V SIM reset signal line 17 CCIN O 1.8V SIM card hot plug detection 18 CCIO O 1.8V or 3.0V SIM data signal line 107 GPIO14 I/O 1.8V GPIO 19 GPIO13 I/O 1.8V GPIO 20 CCVCC O 1.8V or 3.0V SIM power supply 21 CCCLK O 1.8V or 3.0V SIM clock signal line 22 DNC -   23 TXDDAI O 1.8V Digital voice interface 24 TFSDAI IO 1.8V Digital voice interface 25 RXDDAI I 1.8V Digital voice interface
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 17 of 45  Pin Pin Name I/O Level Description 26 SCLK I/O 1.8V Digital voice interface 27 I2CDAT OD - I2C interface data signal 28 I2CCLK OD - I2C interface clock signal 29 TXD1 O 1.8V Serial interface signal 30 RXD1 I 1.8V Serial interface signal 31 RTS1 O 1.8V Serial interface signal 32 CTS1 O 1.8V Serial interface signal 33 EMG_RST I 1.8V Module reset signal 34 GPIO12 I/O 1.8V GPIO 108 GPIO11 I/O 1.8V GPIO 35 GND G - Ground 36 GNSS I - GNSS antenna interface 37 GND G - Ground 38 DNC - -  39 GND G - Ground 40 DNC - -  41 DNC - -  42 DSR0    43 DCD0 O 1.8V Serial interface signal 44 DTR0 I 1.8V Serial interface signal 45 VBUS I 1.8V USB plug detect signal 46 USB_DP I/O USB 2.0 Specification USB differential data positive signal 47 USB_DM I/O USB 2.0 Specification USB differential data negative signal 48 DNC - -  49 DNC - -  50 GND G - Ground 51 LED OD - Network indicator 52 DNC - -  109 PWM1 O 1.8V Adjustable pulse signal 110 GPIO8 I/O 1.8V GPIO 53 BATT+ I 3.8V PMIC power input(3.3V-4.3V)
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 18 of 45  Pin Pin Name I/O Level Description 54 GND G - Ground 55 GND G - Ground 56 GND G - Ground 57 GND G - Ground 58 GND G - Ground 59 RF_OUT I/O  Main antenna interface 60 GND G - Ground 61 GND G - Ground 62 GND G - Ground 63 GND G - Ground 64 GND G - Ground 65 DNC - -  66 DNC - -  111 DNC - -  112 GPIO15 I/O 1.8V GPIO 67 DNC - -  68 DNC - -  69 DNC - -  70 DNC - -  71 DNC - -  72 A_ON I 1.8V Power on/off signal; low level power on /off 73 DNC - -  74 DNC - -  75 DNC - -  76 DNC - -  77 DNC - -  78 DNC - -  79 A_ON I 1.8V Power on/off signal; low level power on /off 80 DNC - -  81 GND G - Ground 82 GND G - Ground
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 19 of 45  Pin Pin Name I/O Level Description 83 GND G - Ground 84 GND G - Ground 85 GND G - Ground 86 GND G - Ground 87 DNC - -  88 GND G - Ground 89 GND G - Ground 90 GND G - Ground 91 DNC - -  92 GND G - Ground 93 GND G - Ground 94 GND G - Ground 95 GND G - Ground 96 GND G - Ground 97 GND G - Ground 98 DNC - - CLK 99 GND G - Ground 100 GND G - Ground 101 GND G - Ground 102 GND G - Ground 103 GND G - Ground 104 DNC - - MISO 105 DNC - - MOSI 106 DNC - - SSN 113 GND G - Ground 114 DNC - -  115 DNC - -  116 DNC - -  117 DL I 1.8V Emergency download point 118 GND G - Ground 119 GND G - Ground 120 GND G - Ground
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 20 of 45  Note: DNC pins remain floating. 3.2 Power Supply The power interfaces of M910-GL module are as shown in the following table: Pin Name I/O Pin Description BATT+ I 4,53 Module power supply, 3.3 ~ 4.3, nominal value 3.8V V180 O 9 Voltage Output, 1.8V, 80mA GND -  Ground 3.2.1 Power Supply The power supply range of the M910-GL module is 3.3V-4.3V. While ensuring the sufficient BATT + power supply capacity (2A load), the design shall follow: Connect a 100uF low-ESR (less than 0.5Ω) ceramic voltage-stabilizing capacitor near the BATT + input. Since the price of small sized high-capacity ceramic capacitor is higher, it is recommended to replace it with a 220uF tantalum capacitor, and then connect a 0.1uF ~ 1uF ceramic capacitor.  3.2.2 1.8V Output The  M910-GL  outputs  a  1.8V  voltage  using  for  the  internal  digital  circuit  of  the  module.  The voltage is the IO level voltage of the module and can be used to indicate that the module is on or off, or for external low current (<80mA) circuit. If it is not in use, keep it in floating status. The logic level of V180 is defined as follows: Parameter Minimum Typical Maximum Unit V180 1.71 1.8 1.89 V VIH 1.3 1.8 1.89 V VIL -0.3 0 0.5 V  3.2.3 Power consumption In the case of 3.8V power supply , the power consumption of M910-GL module is shown in the following table:
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 21 of 45  Parameter Mode Condition Average Typ.Current(mA) Ioff Power off Module power off 0.008 Isleep PSM  0.01 e-DRX  TBD Iidle RRC_Idle  <5mA  RRC_Connect  <42 mA IGPRS-RMS CS4 GPRS GPRS Data transfer GSM850; PCL=5; 1Rx/4Tx 513 GPRS Data transfer GSM900; PCL=5; 1Rx/4Tx 510 GPRS Data transfer DCS1800; PCL=0; 1Rx/4Tx 409   GPRS Data transfer PCS1900; PCL=0; 1Rx/4Tx 381 IEGPRS-RMS MCS9 EDGE EDGE Data transfer GSM850; PCL=8; 1Rx/4Tx 437 EDGE Data transfer GSM900; PCL=8; 1Rx/4Tx 468 EDGE Data transfer DCS1800; PCL=2; 1Rx/4Tx 400 EDGE Data transfer PCS1800; PCL=2; 1Rx/4Tx 383 ILTE-RMS LTE FDD LTE FDD B1 @+23dBm Cat.M1: 222 Cat.NB1: 272 LTE FDD B2 @+23dBm Cat.M1: 223 Cat.NB1: 304 LTE FDD B3 @+23dBm Cat.M1: 218 Cat.NB1: 336 LTE FDD B4 @+23dBm Cat.M1: 216 Cat.NB1: 332 LTE FDD B5 @+23dBm Cat.M1: 224 Cat.NB1: 267 LTE FDD B8 @+23dBm Cat.M1: 241 Cat.NB1: 275  LTE FDD B12 @+23dBm Cat.M1: 249 Cat.NB1: 308 LTE FDD B13 @+23dBm Cat.M1: 229 Cat.NB1: 282 LTE FDD B17 @+23dBm @NB only Cat.NB1: 306 LTE FDD B18 @+23dBm Cat.M1: 221 Cat.NB1: 262
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 22 of 45  Parameter Mode Condition Average Typ.Current(mA) LTE FDD B19 @+23dBm Cat.M1: 221 Cat.NB1: 263 LTE FDD B20@+23dBm Cat.M1: 219 Cat.NB1: 253 LTE FDD B26@+23dBm Cat.M1: 220 Cat.NB1: 279 LTE FDD B28@+23dBm Cat.M1: 245 Cat.NB1: 298 LTE TDD LTE TDD B39 @+23dBm @eMTC only Cat.M1: TBD        Note: PSM: The M910-GL module can further reduce its own power consumption by entering the PSM. PSM is similar to switch off, but the module is still registered on the network. After waking up from PSM mode, the module does not need to reattach or reestablish a PDN connection. Therefore, after the module enters the PSM, it can not immediately respond to user requests. When the module needs to use the PSM, it will request an activity time value during each attach and TAU process. If the network side supports PSM and accepts the module to use the PSM, then the network confirms PSM usage by assigning the module an activity time value. If the module wants to change the activity time value, for example when the conditions in the module change, the module will request the desired value during the TAU. If the network side supports PSM, PSM function can be enabled by AT command. Wake up the module from the PSM state as follows: 1. Pull PWRKEY pin to low level to wake up the module; 2. Wait for the timer (T3412) overflow, the module will automatically wake up. 3.3 Control Signal The M910-GL module provides two control signals for power on/off and reset operations. The pin definitions are as follows:  Pin name I/O Pin Description EMG_RST I 33 When the module is in work, give it a Tst (150 ~ 460ms) low level, and then pull it high, the module is reset
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 23 of 45  A_ON I 72\79 When pulling down the level to power on, the shortest duration of low level is 100ms, and when pulling down the level to power off, the minimum duration is 2s 3.3.1 Module start-up 3.3.1.1.1  Start-up circuit reference When the M910-GL module is in shutdown mode, the module will start up by pulling down A_ON for at least 100ms. It is recommended to use open-drain drive circuit for control. The reference circuit is shown in Figure 3-2:     Figure 3-2 Open Set Reference Start-up Circuit  Another control method is to directly control through a button, and place a TVS near the button for ESD protection. The reference circuit is shown in Figure 3-3:  Figure 3-3 Button Start-up Reference Circuit
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 24 of 45  3.3.1.2 Start-up timing   The start-up timing is shown in Figure 3-4:      Figure 3-4 Start-up Timing Control Diagram Note: Before pulling down the A_ON pin, make sure the BATT + voltage is stable. It is recommended that the interval between powering up BATT + and pulling down A_ON pin should not be less than 100ms. 3.3.2 Module shutdown The module supports the following three shutdown modes: Shutdown Mode Shutdown Method Applicable scenarios Low-voltage shutdown When BATT + powers down, the module will shut down The module does not shut down through normal process, i.e. logout process from the base station Hardware shutdown Pull down A_ON (more than1. 5s) Normal shutdown AT shutdown TBD           Figure 3-5 Shutdown Timing Control Diagram
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 25 of 45  3.3.2.1 Shutdown Timing 1. When the module is working properly, do not cut off the power to the module immediately to avoid damaging the internal Flash of the module. It is strongly recommended to shut down the module by A_ON or AT command before disconnecting the power supply. 2. When using the AT command to shut down, make sure that the A_ON is in a high level state after the shutdown command is executed, otherwise the module will start up again after the shutdown is completed. 3.3.3 Module reset M910-GL module can reset by hardware and AT command. 3.3.3.1 Reset circuit Refer to Figure 3-6 and Figure 3-7. It is similar to the start-up/shutdown control circuit. The client can control the EMG_RST pin using an open-drain drive circuit or push button.          Figure 3-6 EMG_RST Reset Open Reference Circuit         Figure 3-7 EMG_RST Reset Button Reference Circuit
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 26 of 45  3.3.3.2 RESET control timing  Figure 3-8  Reset Control Timing Note: RESET is a sensitive signal, so it is 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  be  protected  by  nice  Ground.  Also,  the  RESET  signal  lines  shall  be neither near the PCB edge nor route on the surface planes to avoid module from reset caused by ESD problems.   Software reset: TBD 3.4 USB Interface The M910-GL provides a USB interface that conforms to the USB 2.0 specification and supports high-speed (480Mbps) and full-speed (12Mbps) modes. The USB interface can be used for AT command transmission, data transmission, software debugging and software upgrades. For more information about the USB 2.0 specification, visit http://www.usb.org/home. 3.4.1 USB interface definition Pin Name I/O Pin Description USB_DN I/O 47 USB differential data bus USB_DP I/O 46 USB differential data bus VBUS I 45 USB plug detection; 1.8V input level We recommend that clients reserve USB interface for software upgrades.
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 27 of 45  In the design of USB interface circuit, in order to ensure the USB performance, the following principles are recommended in circuit design: 1) The USB data lines need to be grounded, with 90Ω impedance differential cable; 2) Do not take the USB cable under the crystal, oscillator, magnetic device or RF signal. It is recommended to take the inner differential cable and the cable shall be grounded at all directions; 3) The model selection for ESD protection of USB data cable requires special attention, and the parasitic capacitance must not exceed 2pF; 4) ESD protector of USB should be placed close to the USB interface. 5) As a USB plug-in testing, the input level of VBUS does not exceed 1.8V, and VBUS connects USB USB_VBUS pin through the partial pressure resistor.  3.5 USIM Interface M910-GL module supports the USIM card interface (1.8V and 3.0V cards). 3.5.1 USIM pin USIM pin is shown in the following table: Pin Name I/O Pin Description CCRST I/O 15 RESET Signal CCIN (USIM_DET) O 17 Detect USIM/SIM card for Hot-swap CCIO O 18 Data Signal CCVCC O 20 Power CCCLK I 21 Clock Signal 3.5.2 USIM interface circuit 3.5.2.1 SIM card slot with detection signal USIM/SIM design requires the use of SIM card slot (Fibocom recommend: SIM016-8P-220P). We recommend using hot plug holder with SIM_DECTECT feature.
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 28 of 45   Figure 3-9 SIM Card Slot Diagram SIM016-8P-220P   Figure 3-10 M910-GL USIM/SIM Interface with Detection Reference Design
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 29 of 45  Principles of SIM card slot with detection signal are as follows: SIM card is plugged, CCIN is high level SIM card is unplugged, CCIN is low level For SIM card slot without detection signal, CCIN remains floating. Note: SIM card hot plug feature can be enabled by AT command for logic level control. Please refer to the AT command manual for the specific AT command. 3.5.3 USIM design requirements SIM card circuit design shall meet EMC standards and ESD requirements, and at the same time, it shall improve anti-interference ability to ensure that the SIM card can work stably. The design needs to strictly observe the following rules:  SIM card slot is placed as close to the module as possible, away from the RF antenna, DCDC power, clock signal lines and other strong interference sources;  Adopt the SIM card slot with metal shield shell to improve anti-interference ability;  The length of cable from the module to the SIM card slot shall not exceed 100mm. Longer cable reduces signal quality.  CCCLK and CCIO signals are isolated to avoid mutual interference. If it is difficult to do so, SIM signal needs to be protected as a set;  The  filter  capacitor and  ESD  device  of  SIM card  signal  cable  are placed close  to  the  SIM card slot. Select 22 ~ 33pF capacitor for ESD device equivalent capacitor.  3.6 UART Interface 3.6.1 UART interface definition M910-GL module has two serial interfaces: serial interface 0 and serial interface 1. The following describes the main features of these two serial interfaces: Support 4800bps, 9600bps, 19200bps, 38400bps, 57600bps, 115200bps, 230400bps, 460800bps, 921600bps baud rate, and the default baud rate is 115200bps, used for data transmission and AT command transmission. The following table describes the serial interface 0 pin: Pin Name I/O Pin Description RXD0 I 10 Serial interface RXD CTS0 DO 11 Serial interface CTS TXD0 O 12 Serial interface TXD RING0 DO 13 Serial interface RI
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 30 of 45  Pin Name I/O Pin Description RTS0 DI 14 Serial interface RTS DSR0 DO 42 Serial interface DSR DCD0 DO 43 Serial interface DCD DTR0 DI 44 Serial interface DTR  The following table describes the serial interface 1 pin: Pin Name I/O Pin Description TXD1 DO 29 Serial interface TXD RXD1 DI 30 Serial interface RXD RTS1 DI 31 Serial interface RTS CTS1 DO 32 Serial interface CTS 3.6.2 UART interface application The serial interface level of M910-GL module is 1.8V. If the level of the client host system is 3.3V or other, a level shifter shall be added to the serial interface connection between the module and the host. The following figure shows the reference circuit design using level shifter chip:          Figure 3-11 UART Signal Connection 1 3.7 Status Indicator M910-GL  module  provides  a  signal  to  indicate  the  operating  status  of  the  module,  and  status indicator pin is shown in the following table: Pin Name I/O Pin Description LED O 51 TBD  LED reference circuit is shown in Figure 3-12:
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 31 of 45     Figure 3-12: M910-GL LED Reference Design Diagram 3.8 PCM/IIS The M910-GL provides a digital voice interface for communication with digital audio devices such as external CODECs. RXDDAI data sends the external CODEC MIC to the DSP code channel inside the module; the TXDDAI signal is sent from the internal DSP code channel to the external CODEC Speaker. M910-GL main chip provides PCM/IIS signal using the mainstream European E1 standard. 3.8.1   Digital voice interface definition  PIN Name I/O PIN Num. Description TXDDAI I 23 Digital voice output signal TFSDAI O 24 Digital voice synchronization signal RXDDAI I 25 Digital voice input signal SCLK O 26 Digital voice clock signal 3.8.2   Interface description TBD 3.8.3   Signal description TBD 3.9   ADC function TBD
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 32 of 45  4 Antenna Interface M910-GL provides two antenna interfaces:  MAIN Connector50Ω impedance  GNSS Connector50Ω impedance 4.1 Antenna design 4.1.1 Antenna RF connector M910-GL has two antennas, led by welding plate. Antenna is a sensitive device, susceptible to the external environment. For example, the size of the module, the location of the antenna, the space it occupies, and the surrounding ground all may affect antenna performance. In addition, the RF cable connecting the antenna, and the location of the fixed antenna also may affect the performance of the antenna. The figure below shows the reference circuit design of the main antenna and GNSS antenna. These matches need to be placed close to the antenna:        Figure 4-1 RF Reference Circuit Design The module has no special requirements for the type of antenna. The user can adjust the antenna
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 33 of 45  gain, antenna size, shape, TRP, TIS, according to the actual structure of the whole machine, combined with the net space environment.   Figure 4-2    ANT Reference layout Design  Make sure the characteristic impedance of the transmission line is 50 ohms. Since the antenna loss should be less than 0.3dB, keep the PCB cable as short as possible. PCB cable should have a good reference ground to avoid other signal cable near the antenna. Recommend a complete ground, and use this complete ground as a reference ground. 4.1.2 RF output power of M910-GL The RF output power of M910-GL is shown in the following table. Network mode Band Max Min GSM GSM850 32.5 dBm±1dB 5dBm±3.5dB EGSM900 32.5 dBm±1dB 5dBm±3.5dB DCS1800 29.5dBm±1dB 0dBm±3.5dB PCS1900 29.5dBm±1dB 0dBm±3.5dB
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 34 of 45  Network mode Band Max Min TDD-LTE Band39 TBD TBD FDD-LTE Band1 23dBm±1dB <-44dBm Band2 23dBm±1dB <-44dBm Band3 23dBm±1dB <-44dBm Band4 23dBm±1dB <-44dBm Band5 23dBm±1dB <-44dBm Band8 23dBm±1dB <-44dBm Band12 23dBm±1dB <-44dBm Band13 23dBm±1dB <-44dBm Band18 23dBm±1dB <-44dBm Band19 23dBm±1dB <-44dBm Band20 23dBm±1dB <-44dBm Band26 23dBm±1dB <-44dBm Band28 23dBm±1dB <-44dBm   4.1.3   RF receiving sensitivity of M910-GL   Network mode Band Sensitive(dbm) GSM(8-PSK) GSM850 -86 EGSM900 -86 DCS1800 -86 PCS1900 -86  Network mode Band Cat.M1 Sensitive/3GPP(dbm)-5MHz Nb-iot Sensitive/3GPP(dbm) TDD-LTE Band39 TBD no support FDD-LTE Band1 -99.8/-102.3 -116/-107.5 Band2 -100.3/-100.3 -115.6/-107.5 Band3 -100.6/-99.3 -114.5/-107.5 Band4 -99.6/-102.3 -115.8/-107.5 Band5 -100.6/-100.8 -117.4/-107.5
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 35 of 45  Network mode Band Cat.M1 Sensitive/3GPP(dbm)-5MHz Nb-iot Sensitive/3GPP(dbm) Band8 -100.9/-99.8 -116.2/-107.5 Band12 -101.9/-99.3 -118.4/-107.5 Band13 -101.2/-99.3 -117.7/-107.5 Band18 -101.2/-102.3 -117.2/-107.5 Band19 -101/-102.3 -117.2/-107.5 Band20 -101.5/-99.8 -117.3/-107.5 Band26 -100.8/-100.3 -116.7/-107.5 Band28 -101.2/-100.8 -117.5/-107.5  4.1.4   Operating frequency of M910-GL supported bands (MHz) Network mode Band Receive Transmit GSM GSM850 869~894 824~849 EGSM900 925~960 880~915 DCS1800 1805~1880 1710~1785 PCS1900 1930~1990 1850~1910 TDD-LTE Band39 1880~1920 1880~1920 FDD-LTE Band1 2110~2170 1920~1980 Band2 1930~1990 1850~1910 Band3 1805~1880 1710~1785 Band4 2110~2155 1710~1755 Band5 869~894 824~849 Band8 925~955 880~910 Band12 728~746 699~716 Band13 746~757 777~787 Band18 860~874.9 815~829.9 Band19 875~889.9 830~844.9 Band20 791~821 832~862 Band26 859~893.9 814~848.9 Band28 758~803 703~748
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 36 of 45  4.2 Antenna Design 4.2.1 Antenna design requirements 1) Antenna efficiency Antenna efficiency is the ratio of antenna input power to radiated power. Due to the antenna return loss, material loss, and coupling loss, the radiated power is always lower than the input power. Recommend> 40% (-4dB). 2) S11 or VSWR S11 shows that the matching degree of the antenna’s 50 ohm impedance, to a certain extent, affects the antenna efficiency. VSWR test methods can be used to measure this parameter. Recommend S11 <-10dB. 3) Polarization Polarization is the rotation direction of the electric field in the maximum radiation direction of the antenna. It is recommended to use linear polarization. 4) Radiation pattern Radiation pattern refers to the antenna’s electromagnetic field strength in the far field in all directions. Half-wave dipole antenna is the most suitable terminal antenna. For built-in antenna, PIFA antennas or IFA antennas are recommended: Antenna area: 6mm high*10mm wide*100mm long. Antenna radiation direction: Omni_directional. 5) Gain and directivity Antenna directivity refers to the electromagnetic field strength of electromagnetic wave in all directions. Gain is a collection of antenna benefits and antenna directivity. Recommended antenna gain ≤2.5dBi. 6) Interference In addition to the antenna performance, other interferences on the PCB also may affect the performance of the module. In order to ensure the high performance of the module, interference must be controlled. Suggestions: For example, LCD, CPU, FPC cable, audio circuit, power supply should be as far as possible away from the antenna, and make the appropriate isolation and shielding, or filtering on the path. 7) Antenna index requirements M910-GL module main antenna requirements Frequency range It shall use the most suitable antenna to adapt
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 37 of 45  M910-GL module main antenna requirements to the relevant frequency band Bandwidth (GPRS/EDGE)  Bandwidth (LTE)  Impedance 50 ohms Input power  Standing wave ratio recommended              5 Electrical Characteristics 5.1 Limiting voltage range The limiting voltage range refers to the power voltage of the module and the maximum voltage range that the digital and analog input/output interface can withstand. Working outside this range may cause damage to the product. The voltage range of M910-GL is shown in the following table. Parameter Description Min Typ Max Unit
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 38 of 45  Parameter Description Min Typ Max Unit BATT+ Power supply 3.3 3.8 4.3 V RMS average supply current 0  0.5 A The IVBAT peak current may reach 2A (power transmission at each 4.6ms slot) at the instantaneous voltage drop in each time slot   400 mV GPIO Digital IO level supply voltage -0.3 1.8 2.0 V Supply voltage in shutdown mode -0.25  0.25 V 5.2 Environment temperature range M910-GL module is recommended to operate at -30~+75℃. It is recommended that the application uses temperature control measures under harsh environmental conditions. At the same time, the limited operating temperature range of the module should be provided. Under these temperature conditions, some RF parameters may exceed the limit. It is recommended that the module application terminal be stored in certain temperature conditions. Modules outside this range may not operate or may be damaged. Temperature Min Typ Max Unit Operating temperature -30 25 75 ℃ Limited operating temperature -40  85 ℃ Storage temperature -40  85 ℃ 5.3 Electrical characteristics of the interface in operating status VL: logic low level; VH: logic high level; Signal VL VH Unit Min Max Min Max
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 39 of 45  Digital input -0.3 0.3*Vpin_min 0.3*Vpin_max Vpin_max V Digital output GND 0.2 Vpin_min-0.2 Vpin V Note: Vpin_min = 1.45V, Vpin_max = 2.0V (Vpin is digital interface high level, Vpin = 1.8V) Parameter I/O Min Typ Max Unit BATT+ I 3.3 3.8 4.3 V CCVCC O 1.7/2.75 1.8/2.85 1.9/2.95 V 5.4 Environmental reliability requirements Test items Test conditions Low temperature storage test Temperature -40℃±3 ℃, 24 hours in shutdown state High temperature storage test Temperature +85℃±3 ℃, 24 hours in shutdown state Temperature shock test In shutdown state, 0.5 hour at -40℃  and +85℃  environment respectively, the temperature conversion time <3min, for 24 cycles High temperature and humidity test Temperature +85℃±3 ℃, humidity 90 ~ 95% RH, 24 hours in shutdown state Low temperature operating test Temperature -30℃±3 ℃, 24 hours in operating state High temperature operating test Temperature +75℃±3 ℃, 24 hours in operating state Vibration test Conduct vibration test according to the requirements shown in the table below: Frequency Random vibration ASD (Acceleration Spectral Density) 5~20Hz 0.96m2/s3
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 40 of 45  Test items Test conditions 20~500Hz 0.96m2/s3(20Hz), other -3dB/octave  Connector life test 50 times of insertion/removal for board to board connector interface; 30 times of insertion/removal for RF antenna interface cable ESD test 1 Test module antenna interface, power PAD and large ground area in call state, ESD should meet the following conditions: 1) Contact discharge should pass ± 0.5KV test   2) Air discharge should pass ± 2KV test   2. Test EVB SIM card slot while the module is in shutdown state, ESD should meet the following conditions: 1) Contact discharge should pass ± 0.5KV test 2) Air discharge should pass ± 2KV test 5.5 ESD characteristics M910-GL is a consumer product. Although the design of the module has considered the ESD issue and provided ESD protection, the ESD issue may occur in the transport and secondary development, so developers should consider ESD protection for the final product. In addition to considering anti-static treatment for packaging, please refer to recommended circuit for interface design in the document for client’s application. Refer to the following table for the ESD allowable discharge range of the M910-GL module. Part Air discharge Contact discharge BATT+,GND ±2KV ±0.5KV Antenna port  ± 8KV Other port ±2KV ±0.5KV
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 41 of 45  6 Structure Specification 6.1 Product Appearance The product appearance for M910-GL module is shown in Figure 6-1 and Figure 6-2:                  Figure 6-1 Module Product Appearance (Top)                   Figure 6-2 Module Product Appearance (Bottom)
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 42 of 45  6.2 Dimension of Structure The structural dimension of the M910-GL module is shown in Figure 6-3:  Figure 6-3 Dimension of Structure (Unit: mm)  6.3 SMT Patch     For module steel net design, please refer to SMT Application Design Instructions for the solder paste and furnace temperature control. 6.4 Storage 6.4.1 Storage life M910-GL is shipped in a vacuum-sealed bag. The module storage should follow the following conditions:
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 43 of 45  1. If the ambient temperature is below 40°C and the air humidity is less than 90%, the module can be stored in a vacuum-sealed bag for 12 months. 2. When the vacuum-sealed bag is opened, if the following conditions are met, the module can be directly re-soldered or go through other high temperature process: Air humidity for module storage is less than 10%. The  module  ambient  temperature  is  below  30°C,  air  humidity  less  than  60%,  and  the  factory completes patch within 168 hours. 6.4.2 Baking If the module is in the following conditions, it needs to be baked before patching: 1. When the ambient temperature is 23°C (±5°C allowed), the humidity indicator shows that the humidity is more than 10%. 2. When the vacuum-sealed bag is opened, the module’s ambient temperature is below 30°C, air humidity is less than 60%, but the factory failed to complete the patch within 168 hours   3. When the vacuum-sealed bag is opened, the air humidity for module storage is more than 10%. 4. If the baking is required, bake the module for 48 hours at 125°C (±5°C allowed). Note: The package of the module cannot withstand high temperature baking. Therefore, please remove the module package before the module is baked. 6.5 Packaging M910-GL  module  adopts  tray  sealed  vacuum  packaging,  combined  with  the  outer  packaging method using the hard carton box, so that the storage, transportation and the usage of modules can be protected to the greatest extent.  Note: The vacuum bag contains desiccant. The module is a moisture-sensitive device, with the moisture sensitive level 3, and it is in line with the standards of the JEDEC. Please avoid permanent damage to the product caused by moisture. The module is a precision electronic product, and  may suffer permanent damage if no correct electrostatic protection measures are taken.
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 44 of 45  6.5.1 Tape packaging Figure 6-4 Tape Packaging Flowchart        6.5.2 Packaging list (TBD) No. Name Description Quantity Conform to RoHS 1 Module Product module   2 M910-GL_Inner box label Dimension (mm) 1 for each reel, 1 for each antistatic bag, 1 for each inner box   3 M910-GL_Outer box label Dimension (mm), 1 for Outer box   4 Tape 1 for each inner box   5 Reel Dimension of the reel centering hole must match with SMT machine feeder area   6 Tape seal sticky tape 1 for each inner box   7 Humidity card Four-point humidity card, 1 for each reel   8 Silica desiccant General silica desiccant, 3 bags per reel
 Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved. M910-GL Hardware User Manual                                                                                                  Page 45 of 45  No. Name Description Quantity Conform to RoHS 9 Anti-static bag Anti-static vacuum bag, with silk anti-static and moisture-sensitive warning signs   10 Inner box Dimension: 340×340×75mm   11 Outer box Dimension 365×330×365mm   12 Sealing label 1 for each inner box, 2 for outer box   13 Sealing tape _BOPP_transparent

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