... accelerometer sensor, optional features • Support for 3G wireless transmission function, the various 3G standards, WCDMA, CDMA2000, TD ... -SCDMA ...or GPRS, EDGE, WiFi wireless transmission, optional features. • ... adapt to network interfaceWireless Transmission Support built-in 3G wireless transmission capabilities, WCDMA, EVDO, HSPA, TD-CDMA ...