... 7inch phone call tablet pc with wifi 1.RK2818 2.3G,GPS,WIFI,Bluetooth 3.support tf card 4.1year warranty ... 7inch phone call tablet pc with wifi 1.RK2818 2.3G,GPS,WIFI,Bluetooth 3.support tf card 4.1year warrantyDetails ... : 802.11b / g (internal) 3G: WCDMA, GSM, with the phone function850/900/1800/1900MHz/2100GPS: Built-in GPS module, at any time positioningUSB ...