... , SD card interface 8, RTC rechargeable battery; 9,5 V power input 10,10 keys, the layout of the phone; 11 ... Stubbs; 17, SIM300 GPRS module interface 18, SIRFIII GPS module interface (including the antenna interface);19, Hayward WIFI module interface 20,50 PIN LCD ... 7-inch LCD optional.Packing included 5 V/2A switching power supply miniUSB line cross-line of a serial lines 1 ...