GSM GPRS GPS Module A7
GSM GPRS GPS মডিউল A7
This is a A7 GPRS/GSM/GPS Shield, which is use the newest A7 GSM/GPRS/GPS module, 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.
