Brand N/A Model N/A Quantity 1 Color Blue + Black Material PCB + Aluminum alloy Features GPRS module is a breakout board and minimum system of SIM900 Quad-band GSM/GPRS module. It can communicate with controllers via AT commands (GSM 07.07 07.05 and SIMCOM enhanced AT Commands). This module supports software power on and reset. Specification Quad-Band 850/ 900/ 1800/ 1900 MHz; GPRS multi-slot class 10/8GPRS 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 (GSM 07.07 07.05 and SIMCOM enhanced AT Commands); Low power consumption: 1.5mA(sleep mode); Operation temperature: -40