... Memory: 256MB Memory Type: DDR2, Flash Built-in capacity :2-8G Expansion card: support, maximum support 16GB TF card Sensors ... Transmission Speed: Up to 54MBps; transmission distance: 100m; Operating Frequency:2.4GHz 3G support for external 3G card (Telecom EVDO, China Unicom ... battery, sustainable film play for 6 hours Transmission Interface: USB 2.0, mini A Block, ANX7150; support for USB-HOST ...