1.Support GSM 850/900/1800/1900MHz 2.battery storage 3.GPRS function, supporting reverse polarity function 4.CE certification Basic Functions:1. Supporting GSM 850/900/1800/1900MHz2. Could make local call, mobile call, national and international calls. 3. Pre-set area code, IP number, Special service number, and any other head number . 4. Privilege setting for international distant and local call ...