Yuanmheng portátil anti rastreamento USB display carro GPS escudo bloqueador de interferência de sinal

Specifications: This USB signal blocker effectively prevents GPS and Beidou satellite positioning and tracking, and the shielding range is 5-20m and effectively interferes with GPS and Beidou satellite signals to protect your privacy and information confidentiality. It can interfere with all current GPS global positioning systems and Beidou positioning systems. This does not affect the normal use of mobile phones or other electronic devices. It can not exceed 24V for 12V or 24V cars.   Item Name: USB Signal Blocker Material: ABS Plastic, Metal Applicable Vehicles: Vehicles Installed with GPS or Beidou Positioning Working Frequency Band: 1555-1580MHz, 1200-1300MHz Coverage: Up to 10m Transmitting Power: 10dBm Working Temperature: Minus 30 Degrees Celsius to Plus 60 Degrees Celsius Features: Small Size, High Power, Lightweight, Large Coverage, Easy to Carry Size: 2.5cm x 6.7cm x 1.1cm/0.98" x 2.64" x 0.43" (Approx.)   Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.   Package Includes: 1 x USB Signal Blocker