M2M Module on embedded Linux

M2M module characteristics

GM862Full Type Approved Quad Band Embedded M2M Module (GSM  850 /900 / GSM 1800 / GSM 1900) with  RS232 interface on CMOS level and AT command set.
This M2M module combines a GPRS module with an embedded PC on embedded Linux. One ARM9 is for customers M2M application and the second ARM9 is for controlling the GSM part.

M2M module as a glance

  • Small size (41.4x31.4x6.6 mm), lightweight (9 g) and easy to integrate
  • Low power consumption
  • R&TTE type approval plus CE, GCF, FCC, PTCRB, IC
  • Full RS232 on CMOS level with flow control (RX, TX, CTS, RTS, CTS, DTR, DSR, DCD, RI)
  • Embedded TCP/IP Stack UDP/IP Stack , Embedded FTP and SMTP Client
  • Embedded Linux on 200 MIPS ARM9, 64 MB RAM, up to 128MB Data Flash, GPI0 pins, AD/DA converter,
  • Interfaces of embedded PC: 4 UARTs, 3 USB (device and host), I2C, SPI, SD/MMC card, JTAG

Smallest size designed for powerful M2M applications

Tracking (people, animals, people), container tracking, PDA, POS terminal, PCMCIA cards, AMR

Pin to Pin upgrade policy to save your developing investments High level technical support to help you in the integration of your solution

  • Exhaustive product documentation
  • Evaluation kit and reference design
  • Quick technical assistance by dedicated e-mail services and user forum
  • Deep technical assistance by dedicated engineering support
  • RD support and certification lab for all your needs

Product Features

  • E-GSM 900/1800 MHz and GSM 1800/1900 with GSM Phase 2 / 2+
  • Output Power Class 4 (2W) at GSM 850/900 MHz and Class 1 (1W) at GSM 1800/1900 MHz
  • Control via AT commands (ITU, GSM, GPRS and manufacturer supplementary)
  • Supply Voltage range: 3.22 V - 4.2 V, nominal: 3.8 V
  • Power consumption: Idle mode: <4 mA, speech mode: 200 mA (average)
  • Dimensions (mm): 41.4x31.4x6.6 mm and weight (g): 6.1 (including shielding)

Interfaces of GPRS / GSM part

  • Power supply nominal 3,8 V
  • 10 general purposes I/O ports  and serial bi-directional bus on CMOS 2,8 V
  • External SIM
  • Analogue audio for microphone, speaker and hands free set plus digital voice interface
  • RS232 on CMOS 2,8 V (One RS232 (2,8V) with flow control (RX, TX, CTS, RTS, CTS, DTR, DSR, DCD, RI), baudrate 300 - 115.200 bps, autobauding  1200 -  57.600 bps
  • Two 50 Ohm antenna interfaces


  • Telephony and emergency calls (Half Rate (HR), Full Rate (FR), Enhanced Full Rate (EFR))
  • Echo cancellation and noise reduction
  • DTMF
  • Handset operations and basic handsfree operation


GPRS, data and Fax

GSM Supplementary Services

  • Call Barring and Call Forwarding
  • Advice of Charge
  • Call Waiting and Call Hold
  • Calling Line Identification Presentation (CLIP)
  • Calling Line Identification Restriction (CLIR)
  • Unstructured SS Mobile Originated Data (USSD)
  • Closed User Group

Other Features

  • SIM Phonebook management
  • Fixed Dialling Number (FDN)
  • SIM Toolkit class 2
  • Real time clock
  • Alarm management
German version