SIM900A Smart Electronics GPRS A6 Module Wireless Extension Module GSM GPRS Board Antenna Supper SIM900A

Description: GSM A6 modules: Size: 22.8x16.8x16.8 mm Working temperature: -30 c to + 80 c Working voltage: 3.3 V to 4.2 V Start voltage: > 3.4 V Standby average current: Under 3mA Support the GSM/GPRS four frequencies, including 850, 900, 1800, 1900MHZ Sensitivity: < - 105 Support voice calls Support SMS messages Support GPRS data service, maximum data rate, download 85.6Kbps, upload 42.8 Kbps Support standard GSM07.07, 07.05 the AT command and the expansion of Ai Thinker command Support two serial port, a download serial port, an AT command port Command support standard AT and TCP/IP command interface Support digital and analog audio, support HR, FR, EFR, AMR speech coding; Support the ROHS, FCC, CE, CTA certification; 42 pin SMT packaging Package included: 1 x GPRS A6 Module Wireless Extension Module