... board.Bottom features are as follows: 1, USB HOST interfaces; 2, USB Device Interface 3 way 232, 3-way TTL ... serial port; 4,100 M network interface 6, TV ... 8, RTC rechargeable battery; 9,5 V power input 10,10 keys, the layout of the phone; 11, reset button ... development board + 4.3 inch touch LCD Andriod-2.0 ARM11 Development Board 6410 Series ...