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

GSM A6 modules:

1. size 22.8 * 16.8 * 16.8 mm;
2. working temperature 30 °c to + 80 °c;
3. Working temperature: -30 °c to + 80 °c
4. Chip Working voltage: 3.3 V to 4.2 V. The controlller includes MP1584 Step down module, so you should supply 5V DC 0.5A to 1A power supply to power up the module.
5. Chip Start voltage: > 3.4 V
6. Standby average current: Under 3mA
7. support the GSM/GPRS four frequencies, including 850900180, 0190 MHZ;
8. sensitivity< – 105;
9. support voice calls;
10. support SMS messages;
11. support GPRS data service, maximum data rate, download 85.6 K
    bps, 42.8 Kbps uploading;
12. support standard GSM07.07, 07.05 the AT command and the expansion of Ai Thinker command;
13. support two serial port, a download a serial port, a mouth AT commands;
14. command support standard ats and TCP/IP interface; Support for digital and analog audio, audio support HR, FR, EFR, AMR speech coding;
15. support the ROHS, FCC, CE, CTA certification;
16. 42 pin SMT packaging;