This GSM/GPRS developemnt board is based on SIM800C chip supporting bluetooth function and AT command control via the serial prot. On-board SIM card slot and support 850/900/1800/1900MHz quad band can be used worldwide. It is equipped with 5V/3.3V ligic converter circuit compatible with most MCU breakout board to obtain the SMS and TTS function.
GPRS multi-slot class: 12/10
GPRS mobile station class: B
Compliant to GSM phase 2/2+ – Class 4 (2 W @ 850/900 MHz) – Class 1 (1 W @ 1800/1900MHz)
Control via AT commands (3GPP TS 27.007, 27.005 and SIMCOM enhanced AT Commands)
Board Size: 30.73 X 26.56mm/1.21 X 1.05inch(L*W)