全新功能：1 定時(shí)連續(xù)跟蹤功能2 終端低電SMS短信報(bào)警3 GPS信號(hào)狀態(tài)SMS短信報(bào)警4 指定范圍超出電話報(bào)警5 超速電話報(bào)警6 SMS短信遠(yuǎn)程操控設(shè)置7 特別推薦：超低成本DIYGPS跟蹤服務(wù)控制中心全新配件：1 選配防水套2 選配掛繩。3 選配高容量外接電池，連續(xù)工作時(shí)間可高達(dá)4天4 選配寵物項(xiàng)圈，可將GT30佩戴在寵物身上Dimension76mm 46mm 25mmWeight90gGSMmoduleGSM900/1800/1900MhzorGSM850/900/1800/1900MhzGPSChipsetlatestGPSSIRF-StarIIIchipsetGPSSensitivity-158DbGPSFrequencyL1,1575.42MHzC/ACode1.023MHzchiprateChannels20channelall-in-viewtrackingPositionAccuracy10meters,2DRMSVelocityAccuracy0.1m/sTimeAccuracy1ussynchronizedtoGPStimeDefaultdatumWGS-84Reacquisition0.1sec.,averageHotstart1sec.,averageWarmstart38sec.,averageColdstart42sec.,averageAltitudeLimit18,000meters(60,000feet)max.VelocityLimit515meters/second(1000knots)max.AccelerationLimitLessthan4gJerkLimit20m/secOperatingtemperature-25 to65 CHumidity5%to95%Non-condensingVoltageRechargeable1300mAhbattery(3.7V),5Vforcharginginput.ChargingconnectorDC5V(USBport)Standbytime50hoursLED3LEDlightstoshowpower,GPS,GSMandotheroperationstatus.Button3buttonsforSOSEmergencycall,speeddialcallB,andspeeddialcallC