السلام عليكم 7.2 UNLOCKED VOICE AT&T CINGULAR SIERRA 875 AIRCARD 3G Unlocked for use on most ALL GSM GPRS UMTS HSDPA WorldWide! Tri-band UMTS/HSDPA compatibility -850/1900/2100MHz Quad-band EDGE/GPRS - 850/900/1800/1900 MHz...