A7 module is a GSM/GPRS/GPS 3 in 1 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. 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. 

Specifications :

Package Include :

1 x A7 GSM GPRS GPS 3 In 1 Module
1 x IPEX GPS antenna
1 x IPEX GSM antenna