GSM GPRS Module SIM900B Quad-Band GSM GPRS Module GSM Module AT Commands
Key Specifications
General features
* Quad-Band 850/ 900/ 1800/ 1900 MHz
* GPRS multi-slot class 10/8
* GPRS mobile station class B
* Compliant to GSM phase 2/2+
– Class 4 (2 W @850/ 900 MHz)
– Class 1 (1 W @ 1800/1900MHz)
* Dimensions: 40*33*3 mm
* Weight: 7g
* Control via AT commands (GSM 07.07 ,07.05 and
SIMCOM enhanced AT Commands)
* SIM application toolkit
* Supply voltage range :3.1 ... 4.8V
* Low power consumption: 1.5mA(sleep mode)
* Operation temperature: -40 °C to +85 °C
Specifications for Fax
Group 3 class 1