SEEWORLD S308 Global Universal 3G 2G Ultrasonic Sensor Anti-stolen Oil Fuel Detector Alarm GPS Locator Tracker

warranty 1 yearYou cancheck the location of the device by here https www whatsgps com index html lang enWhats GPS API https www whatsgps com WhatsGPS 20API en pdfDescription 1 Accurate GPS positioning dynamic positioning deviation is less than 5 m2 Get current location immediately and support real time tracking GPS data uploading at interval 3 Two way voice communication via handset dispatching screen4 Two way SMS communication via Mobile and PC software5 Voice monitoring6 Protect the device from high level voltage7 Resend data from signal dead zone8 Remotely disable engine9 2 digital inputs for detecting the status of engine door air condition etc 10 Remotely control door open close 11 SOS alarm power off alarm over speed alarm parking alarm Geo fence alarm fatigue driving alarm Fuel changing alarm Temperature changing alarm Mileage statistics12 Remote update firmware13 Optional functions temperature sensor camera LED navigation screen RFID device ultrasonic sensor CLS sensor Feature working voltage 8VDC 36VDCWorking current 50mA 160mAGSM module Four Band GSM 850 900 1800 1900MhzQuectel M50Communication protocol UDP TCP can customize GPS module Ublox chipsetGPS sensitivity 159dBmGPS frequency L1 1575 42 MHzC A coding 1 023 MHz chip rateChannels 20 channels for trackingPosition accuracy 10 meter 2D RMSSpeed accuracy 0 1 meter secondTime accuracy GPS synchronizationDefault data WGS 84Recover Average 0 1 secondHot start