... Phone TV Bluetooth WIFI Information MTk6573 650MHz Dual Core,Android 2.3.6 system,GSM Quad band GSM900/1800/1900/850MHz + WCDMA 3G ... 2100MHz Dual ModeWIFI, GPS+AGPS, JAVA support,Analog TV ... work with GSM network 850/900/1800/1900 MHz. (work all over the world) In mobile phones, dual-band and tri-band refer to ...