ARDUINO GSM SHIELD GPRS SIM800

Operating voltage: 6 - 12V, Low power consumption mode: the current is 0.7mA ( sleep mode ), Normal consumption mode: (100mA@7V - GSM mode),Quad-band 850/900/1800/1900MHz GPRS multi-slot class 1~12, GPRS mobile station class B, Standard GSM phase 2/2+, Class 4 (2 W @ 850/900 MHz), Class 1 (1 W @ 1800/1900MHz), Control method: AT command control USB/Arduino switch, Self-adapting serial baud rate, Support real time clock (RTC), Support TTS and broadcast, Support DTMF, LED indicator shows power supply status, network status and operating mode. Size: 81*53mm(3.19*2.09")