Features: Brand new and high quality 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. A9G development board with the basic phone / SMS, GPRS networking communications, GPS / BDS dual-mode positioning capabilities. 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. A9G development board camera expansion board, an external 30W / 200W camera. A9G development board slot machine expansion board, can add a traditional slot machine. Specifications: Material:PCB Package Includes: 1PC x GSM/GPRS+GPS/BDS Development Board note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!