Features:
1. Working voltage: 5v USB or Lipo battery(3.3V-4.2V)
2. Support the GSM / GPRS four bands, including 850,900,1800,1900MHZ
3. Supports digital audio and analog audio, supports HR, FR, EFR, AM R voice coding
4. Support voice calls and SMS messages
5. Embedded network service protocol stack
6. Support standard GSM07.07.07.05AT command
Specification:
● Model: A9G
● Frenquency: 850/900/1800/1900MHz
● GPRS Multi-Slot: Class 12
● GPRS Mobile Station: Class B
● Compatible with GSM: Class 4 (2W@850/ 900MHz)/ Class 1 (1W@1800/1900MHz)
● Power Supply: 3.5~4.2V typical value 4.0V
● Current: 1.14mA@DRX=5/ 1.03mA@DRX=9
● AT command: 3GPP TS 27.007, 27.005
● Working Temperature Range: -40 to 85°C
● Length: 40 mm
● Width: 25 mm
● Height: 15 mm
● Weight: 22 gm
Package Included:
1 x AI-thinker A9G GSM/GPRS+GPS/BDS Development Board
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