Koolenry GSM/GPRS + GPS/BDS Development Board A9G Development Board/SMS/Voice/Wireless Data Transmission + Positioning

2.A9G development board with the basic phone / SMS, GPRS networking communications, GPS / BDS dual-mode positioning capabilities. 3.A9G development board contains a lithium battery charging management, microphone, speaker interface, USB communication interface, multiple user keys / led, TF card slot, accelerometer, SPI interface, I2C2 interface, ADC interface. 4.A9G development board camera expansion board, an external 30W / 200W camera. 1.The A9G development board is a versatile development board based on EMC's A9G GPRS / GSM + GPS / BDS module that can be used to validate the basic communication functions and peripheral functions of the A9G module. 5.A9G development board slot machine expansion board, can add a traditional slot machine.