please buy GPS Anti-jammer device if you can not locate your car online by GPS tracker when thieves are shielding GPS location signals.
GPS Anti-jammer Device, Anti-Jammer Device, against Jammer device
Protect car security against Jammer device signal interference, Need our Anti-Jammer Device YB70. Auto Signal detection against theft, protecting GPS online working.
Wireless Portable Asset GPS Tracker with strong magnet&Long Standby time
Asset GPS Tracker YB07 with Strong magnet and 2 Year Long Standby time GPS Fleet Tracking.Hidden installation, GPS Positioning accuracy.