A7 module is a GSM/GPRS/GPS function module.
It supports GSM/GPRS Quad-Band（850/900/1800/1900） network.
Also, it supports voice calls,SMS messages,GPRS data service and GPS function .
We can use it make a simple phone.
The module is controlled by AT command via UART and supports 3.3V and 4.2V logical level.
- Support the GSM / GPRS four bands, including 850,900,1800,1900MHZ
- Support China Mobile and China Unicom’s 2G GSM network worldwide
- GPRS Class 10
- Support voice calls
- Support SMS text messaging
- Support GPRS data traffic, the maximum data rate, download 85.6Kbps, upload 42.8Kbps
- Supports standard GSM07.07,07.05 AT commands and extended commands Ai-Thinker
- Support GPS and AGPS
- Supports two serial ports, a serial port to download an AT command port
- AT command supports the standard AT and TCP / IP command interface
- Support digital audio and analog audio support for HR, FR, EFR, AMR speech coding
- Support ROHS, FCC, CE, CTA certification
- SMT 42PIN
- Operating temperature -30 ℃ to + 80 ℃
- Operating Voltage 3.3V-4.2V
- Power voltage> 3.4V
- Sensitivity <-105
- Standby average current 3ma less
- 1KG peak suction
- A7 GPRS+GSM+GPS Shield x1
- GSM antenna x1
- GPS antenna x 1