產(chǎn)品型號(hào)：VT310 接線方法： 主要功能 GSM/SMS通訊或GPRSTCP/UDP連接 GPS衛(wèi)星實(shí)時(shí)定位 同時(shí)支持:單點(diǎn)定位和連續(xù)跟蹤 報(bào)警和遠(yuǎn)程監(jiān)控 通過SMS或GPRS定位 實(shí)時(shí)定位跟蹤 SOS緊急求救按鈕 超速報(bào)警 電子?xùn)艡? 產(chǎn)品規(guī)格 Dimensions 11.4x8.0x2.0(cm) Weight 130g GSMmodule GSM900/1800/1900MhzorGSM850/900/1800/1900Mhz GPSChipset latestGPSSIRF-StarIIIchipset Powersupply +9V-+40V Powerconsumption Activemode(peak) 1.0A Activemode(avg.) 300mA Idlemode 50mA Sleepmode 5mA Operatingtemperature -20℃to+60℃ Storagetemperature -20℃to+70℃ Humidity Upto75%non-condensing ExternalAntenna Connectedviathe50Ωcoaxconnector ExternalSIMcard ConnectedviaSIMcardconnector SIMcardtype 3V Transmitpower Class4(2W)forE-GSM900and850 Class1(1W)forDSC1800 Class1(1W)forPCS1900 Sensitivity -104dBmminimumforE-GSM900and850 -102dBmminimumforDCS1800 -102dBmminimumforPCS1900 Speechcodec Tripleratecodec: Halfrate–ETS06.20 Fullrate–ETS06.10 Enhancefullrate–ETS06.50/06.06/06.08 GPRS Multi-slotclass8(4Rx,1Tx,5slotmax.) Supportall4codingschemes(CS-1,CS-2,CS3andCS-4) Maximumdownloadspeedis85.6kbps Maximumuploadspeedis21.4kbps Circuit-switcheddatarate 14.4kbps Interface Fullduplex3VCMOS-levelserialinterfaceforATcommandsprotocol