... .Phone calling & SMS 7 inch tablet pc 3g sim card slot with WIFI 3G GPS Bluetooth--Rm780 Operation ... 3bands(900/1900/2100MHZ)Slot:1*TF card slot1* SIM card slot1* headphone slot2* USB slot1*DC slotVideo: ... /g/n3G ModuleWCDMA,built-inPhone callsSupport 3G & 2G SIM card,and can send SMSRFGSM/GPRS/EDGE 4bands(850 ... ,360 degree menu rotateSlot1*TF card slot,1*SIM card slot,2*USB slot,1*headphone slot, ...