Specifications:> Size: Dia40mmx12mm> Weight: 25g> Buttons: One button(power button and SOS button)> Time display: LED indicator light> GPS anttnna: High sensitive ceramic antenna> GSM antenna: Four frenquency PIFA antenna> Battery: 400mAh rechargeable battery> Charging: USB portHardware> Chip: MTK MT2503> GPRS: Class 12> GPS singal: L1,1575.42MHz CA code> GPS channels: 22 channels> Tracking Sensitivity:-165dBm, acquisition sensitivity:-148dBm> GPS accuracy: 5 to15m> LBS accuracy: 100 to 1000M> Minimum standby current: > Average standby current: > Average working currency: > Working temperature: -20 to 70 deg.> working humidity: 5% to 95% Historical track: Three monthes's historical trackRemote update:Remote update,remote maintenancePackage Content:> 1 pcs of Main unit> 1 pcs of Lanyard> 1 pcs of Power cable> 1 pcs of User manualSupported OS: Support android 2.3 or above ,IOS5.0 or aboveAGPS: Cool start 26 seconds positioning Power manage: Ultra-low power consumption management, intelligent dormancyGeofence: Alarm when out of setup rangeSOS emergency call:SOS call ,automatic dialing
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