This is serial GSM / GPS core development board based on AI-Thinker’s A7 module. It supports dual-band GSM/GPRS network, available for GPRS and SMS message data remote transmission.
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 3.3 Volt and 4.2 Volt logic level.
Features of A7 GSM GPRS GPS 3 in 1 Wireless Module
- 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 GSM 07.07,07.05 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