Weight:24g
Size:48.5mm�50mm
Power supply:5V-18V(?1.5A)
Support SMS, GPRS data transmission, multimedia transmission, DTMF, HTTP, FTP, PPP dial functions
Standby around 30MA, you may be disposed about the sleep state 10MA low power consumption
TTL level serial interface is compatible with 3.3V and 5V microcontroller.directly with 51/STM32/MP430 MCU communication
Early computer debugging, recommend use CP2102 USB to TTL module to give module power supply and communication