gps tracking device with web based platform softwa

gps tracking device with web based platform software1.AVL,Car/Motorcycle gps tracker,vehicle locator 2.Geo-fence,Logger,SOS 3.CE,RoHs Application: Car/Motorcycle gps tracker Waterproof vehicle gps tracker AVL GPS Tracker CE,RoHs,FCC Main Feature: Support GSM 900/1800 MHz. Works worldwide! High sensitivity, SIRF Star 3 low power GPS chipset! Excellent for fixing the position even at a weak signal status, work well even in areas with limited sky view like urban canyons Fast Signal Acquisition Support single location and continuous tracking Support alarm, have 3 preset phone number Support check location and real-time and historical trajectory by SMS or Internet SOS button send out exact location for immediate rescue/action. Support cut-off electricity and oil function and recovery command Specification:GSM module MTK program, GSM 900/1800/850/1900 dual-band or quad-band Support the TCP protocol GPS ChipsetSIRF-Star III chipsetGPS sensitivity -159dB C/A Code1.023MHz chip rateChannels20 channel all-in-view trackingGPS frequency L1,1575.42MHz GPS Position Accuracy 10 meters, 2D RMS GSM Position Accuracy Later will realize Velocity Accuracy 0.1m/s Time Accuracy Synchronized to GPS time Default datum WGS-84 Hot start 1sec.,average Warm start 38sec.,average Altitude Limit 18,000 meters (60,000feet) max. Velocity Limit 515 meters/second (1000knots) max. Acceleration Limit Less than 4g