GSM GA6-B

1. Working temperature:-30 c to+80 c;
2. Standby currents below 3ma;
3. Support GSM/GPRS quad-band frequency bands, including 850, 900, 1800, 1900MHZ;
4. Sensitivity <-105;
5. support voice calls;
6. Support SMS text messages;
7. Supports GPRS data services, the maximum data rate, download 85.6Kbps, upload 42.8Kbps;
8. Support standard GSM07.07,07.05 AT and Ai Thinker extension commands;
9. Supports 2 serial, download a serial port, an AT command;
10.L commands support the standard AT, and TCP/IP command interface;
11.Support digital audio and analog audio, support HR,FR,EFR,AMR speech coding;
 12. Support 2G 3G 4G mobile Unicom card card