... SMS,Call,CSD,Dial-up for broadband 4.USB2.0 high speed 7.2Mbps Characters1.Contains LONGSUNG U6300 ... .Reliable hspa 3g solution for SMS,CSD,telephone and dial-up3.Built-in USB expansion slot4.Using ... over the air10.Point-to-point MO and MT CB and PDU mode,support digital,voice,sms,fax ... 25V (standard 9V)UIM / SIM card: 1.8V/3.3VPower: 2W InterfaceUSB2.0 connection,DB9 rs232 serial portOperating status ...