Wiring the A7 / A6 / A6C / A2 / A20 GSM GPRS / GPS WIFI Quad Band 2G GSM Module Board

This is A7, A6C, and A6 is a GSM/GPRS/GPS Module that Supports GSM, GPRS, and GPS Quad-Band 850/900/1800/1900 MHz 2G GSM network worldwide with an SMS, GPRS Class 10 Data Service, and GPS feature and supports digital audio and analog