GSM Module C2s

Voice, CSD, SMS (text/data)
Quad-Band GSM 850 / 900 / 1800 / 1900 MHz
Output power: class 4 (2 W) for EGSM 850/900 class 1 (1 W) for GSM 1800/1900
Weight: < 10 g
Supply voltage range: 3.5 4.2 V (Typ: 3.8 +/- 02 V)
Operating temperature: 20 ?C+55 ?C
Dimensions:  34.4 x 32.5 x 3.6

Power consumption of GSM modems
Idle : < 2 mA
In call (GSM pwr lev 5): 300 mA

GSM Module Interfaces and bearers

Features of GSM Module GPRS modems Integrated TCP/IP Stack

GSM Module, Quad-Band GSM 850 / 900 / 1800 / 1900 MHz
AT interface on UART with CMOS level
GPRS class 10, CSD, SMS, voice, FAX