Car GPS Blocker Isolator Signal Blocking

Features:
Effectively prevent GPS and Beidou satellite positioning and tracking, shielding range is 5-20m.
Effectively interfere with GPS and Beidou satellite signals, protect your whereabouts privacy and information confidentiality.
Anti Signal Blocker interfere with all current GPS global positioning systems and Beidou positioning systems.
USB GPS Shield does not affect the normal use of mobile phones or other electronic devices.
Car GPS Blocker is fit for 12V or 24V cars, but it cannot exceed 24V.
Small size, high power, light weight, large coverage and easy to carry.