... via GSM and GPRS:Point to point MO and MTSMS cell broadcastText and PDU modeSpecifications for audioTricodec: HR, FR, ... 14.4kbpsUSSDNon transparent modePPP stackIntegrated TCP/IP stackSpecifications for faxGroup 3, class 1.Specifications for GPS:Receiver 20 channels, ... < 42s, average, open skyOperating voltage 3.3V DC ±5%Low power consumption about 200mW at 3.3VProtocols NMEA-0183 SiRF binary RTCM ...