- working temperature: -30 ca + 80 c;
- holding currents below 3ma;
- support GSM / GPRS quad-band frequency bands including 850, 900, 1800, 1900 mhz;
- sensitivity <-105;
- support voice calls;
- support SMS text messages;
- supports GPRS data services, maximum data rate, download 85.6 Kbps, upload 42.8 Kbps;
- Support standard GSM07.07, 07.05 EM and Ai Thinker extension commands;
- supports 2 serial, download a serial port, an AT command;
- L support the standard AT command, and TCP command interface;
- support digital audio and analog audio, support for HR, FR, EFR, AMR voice coding;
- Support 4 3 2g gg card Unicom mobile card
- 1 x GSM / GPRS Quad-band A6 Mini Card Development Board SMS Audio 5 v Replace SIM800L
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