... box AT+GSV SIM900 GSM GPRS module, Quad-band, industrial standard Sim900,SIM900 Simcom wireless module,Simcom modules, ... 3mm* Weight: 3.4g* Control via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands ... Non transparent mode* PPP-stack Specifications for SMS via GSM/GPRS* Point to point MO and MT* SMS ... interface * Antenna pad* I2C* GPIO* PWM* ADC GSM/GPRS module SIM340 Wireless modules