SIMCOM GSM EDGE module SIM700
 The new EDGE module is a complete Quad-Band GSM/GPRS/EDGE solution in a compact plug-in module. Featuring an industry-standard interface, it delivers GSM/GPRS/EDGE 850/900/1800/1900MHz performance for Data, Voice, SMS, and Fax in a small form factor and with low power consumption. The leading features of the Module make it ideal for M2M applications like AMR, POS, Security and AVL etc. 

General features 
  - Quad-Band GSM/GPRS/EDGE 850/900/1800/1900MHz  
  - Output power:
     GMSK: 
        - Class 4 (2 W @ 850/900MHz) 
        - Class 1 (1 W @ 1800/1900MHz)
     8PSK: 
        - Class E2 (0.5W @ GSM850/EGSM900) 
        - Class E2 (0.4W @ DCS1800/PCS1900) 
  - GPRS /EDGE multi-slot class 12 
  - Coding scheme: CS1~4, MS1~9 
  - Mobile station class B 
  - Control via AT commands
     (GSM 07.07, 07.05 and SIMCOM enhanced AT Commands) 
  - SIM application toolkit 
  - Supply voltage range 3.4 ... 4.5 V 
  - Low power consumption 
  - Normal operation temperature: -30°C to +80°C 
  - Restricted operation temperature: -40°C to -30°C and +80°C to +85°C 
  - Storage temperature: -45°C to +90°C 
  - Dimension: 45*34*3mm
Specifications for fax 
  - Group 3, class 1

 Specifications for data: 
  - CSD: up to 14.4Kbps, non-transparent 
  - GPRS: max: 85.6Kbps 
  - EDGE: DL&UL max: 236.8Kbps 
  - Coding scheme: CS1~4, MCS1~9 
  - Support PBCCH 
  - Support USSD

Drivers
  - Multiplexer driver for Microsoft Windows

Specifications for voice 
  - Half Rate (ETS 06.20) 
  - Full Rate (ETS 06.10) 
  - Enhanced Full Rate (ETS 06.50 / 06.60 / 06.80) 
  - Echo cancellation 
  - Noise reduction 
  - AMR

Compatibility 
  - AT cellular command interface

Interfaces 
  - 80-pins BTB connector
  - Power supply 
  - Two analog audio channels 
  - RTC backup 
  - Dual - serial ports 
  - USB slave 
  - Antenna pad and antenna connector 
  - Charge interface 
  - SIM Card 
  - I2 C BUS