Car GPS tracker for OBD socket.OB22 is an easy to fit plug & play OBD port tracker with superior location, tracking, reporting, logging, and security capabilities. Utilizing the GSM and GPRS communication network along with GPS technology, it is an ideal solution for leased vehicles or large fleets. Note!Works with the Tracksolid app (Windows, Android, iOS). Free for one year.Features:Compact designReal-time trackingUnplugged alertPlug and playVoice monitoringGSM Specification:GSM frequency: 850/900/1800/1900 MHzGPRS: Class 12, TCP/IPMemory: 32+32MbPhase error: RMSPE<5,PPE<20Max output: GSM850/GSM900:33±3dBmGSM1800/GSM1900:30±3BmMax frequency error: ±0.1ppm GPS Specification:GPS chipset: MTK high sensitivity chipFrequency: L1,1575.42MHz C/A codeGPS channel: 66Location accuracy: <10 meterstracking sensitivity: -165dbmacquisition -148dbmttff (open sky): avg. hot start<1secavg. cold start<32sec  Others:Antenna: Bullit-in GPS antenna, GSM quad-band antennaBattery: 50mAh/3.7v lithium-polymer batteryWorking voltage/current : 9-36VDC/32mA(12VDC)Connector: OBD standard portStandby current: <5mAOperating temperature: -20C~ 70CDimensions: 45.0(L)*22.5(W)*30.0(H)mmWeight: 30gLED indicator: Power, GPS, GSMVoice monitoring range: <5metersWarranty: 24 monthsManufacturer: Eurodigital, EU