全新功能：1 定时连续跟踪功能2 终端低电SMS短信报警3 GPS信号状态SMS短信报警4 指定范围超出电话报警5 超速电话报警6 SMS短信远程操控设置7 特别推荐：超低成本DIYGPS跟踪服务控制中心全新配件：1 选配防水套2 选配挂绳。3 选配高容量外接电池，连续工作时间可高达4天4 选配宠物项圈，可将GT30佩戴在宠物身上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