a Car Key Signal Blocker Case distributed by Global Fulfillment Ltd. Car key case with an inbuilt Faraday cage lining Prevents RFID NFC Bluetooth GPS/SatNav networks 2 3 and 4G mobile phone and WiFi connectivity being sent or received by the car fob Can be used to protect car keys bank cards entry cards and other smart items that hold electronic data Blocks electromagnetic signals to help prevent accidental data loss
