اطلاعات زیر نیز بر اساس کاتالوگ محصول ارائه گردیده Power supply : 3.4V ~4.4V Power saving : Typical power consumption in sleep mode is 1.2mA ( BS-PA-MFRMS=9 ) : Frequency bands SIM800 Quad-band: GSM 850, EGSM 900, DCS 1800, PCS 1900. SIM800 can search the 4 frequency bands automatically. The frequency bands also can be set by AT command “AT+CBAND”. For details, please refer to document [1]. Compliant to GSM Phase 2/2+ Transmitting power Class 4 (2W):GSM850,EGSM900 Class 1 (1W):DCS1800,PCS1900 GPRS connectivity GPRS multi-slot class 12（default）
