产品名称:BENQ模M33zGSM/GPRS:Phase2+Compliancei.GPRSClass10:Max4downlink,2uplink,max5slotii.GPRSClassB:Simultaneous―attach―activation―monitorNosimultaneoustraffic.iii.CodingScheme:―CS1-9.05kbps―CS2-13.4kbps―CS3-15.6kbps―CS4-21.4kbpszSupportSIMInterface:3VzFormfactori.Dimension:55.5x40x5.95mmii.Weight:13gzPowerOperationVoltage:3.3V 4.2VzPowerConsumption:SpeechMode:230mA(min),280mA(max)StandbyMode: 6mA(pagingrate2), 3mA(pagingrate9)atGSM900MHzGPRS:TBDzHardwareOutput:44Pinsfemaleconnectorinterface.―UART/RS232RS232TransmitInterface―USBSoftwareDebug―RESETHardwareReset―GPIOGeneralPurposeI/ORadioFrequency(900MHzEGSM)FrequencyRangeTX880-915MHz;RX925-960MHzChannelSpacing200KHzNumberofChannels124Carriersx8(TDMA)ModulationGMSKDuplexSpacing45MHzFrequencyStability+/-0.1ppm(UplinkTX)PowerOutput33dBmClass8(2Wpeak) 5dBmOutputImpedance50OhmSpuriousEmission-36dBmupto1GHz( -30dBm 1GHz)RadioFrequency(1800MHz)FrequencyRangeTX1710-1785MHz;RX1805-1880MHzChannelSpacing200KHzNumberofChannels374Carriersx8(TDMA)ModulationGMSKDuplexSpacing95MHzFrequencyStability+/-0.1ppm(UplinkTX)PowerOutput30dBm 0dBmOutputImpedance50OhmSpuriousEmission-36dBmupto1GHz( -30dBm 1GHz)Compatiblewithphase2feature