ISM900 is an ultra compact and reliable wireless module. This is a complete Quad-band GSM/GPRS module in a SMT type and designed with a very powerful single-chip processor integrating AMR926EJ-S core, allowing you to benefit from small dimensions and cost-effective solutions. Featuring an industry-standard interface, the SIM900 delivers GSM/GPRS 850/900/1800/1900MHz performance for voice, SMS, Data, and Fax in a small form factor and with low power consumption.

General Features:

* Quad-Band 850/ 900/ 1800/ 1900 MHz

* GPRS multi-slot class 10/8

* GPRS mobile station class B

* Dimensions: 24*24*3mm

* Weight: 3.4g

* Supply voltage range : 3.1 ... 4.8V

* Low power consumption: 1.5mA(sleep mode)

* Operation temperature: -40°C to +85 °C

* SIM application toolkit

* Control via AT commands (GSM 07.07 ,07.05 and   SIMCOM enhanced AT Commands)