Signal Blocking Faraday Bag for Car Key FOB by FnJ Products Fits in Lockboxes Purse Size 4 inches x 2.5 inches

Protects hacking into or access to the signal for car key Fob's. The bag forms a 'Faraday cage' that blocks the key's RF Fob signals from escaping the pouch.

The small size makes it great for use with key storage lockboxes, purses, pockets, bags to safely and conveniently secure your Key FOB. Using one will also help you to feel more secure while traveling.

Blocking Bag for car key FOB, Anti-Theft Keyless entry car key protector Faraday bags are being used by car and boat owners to isolate duplicate wireless keys and protect their vehicles from theft. Placing a wireless electronic key Fob in a RF isolation pouch prevents the devise from sending radio frequency signals to the vehicle's entry systems. Opening and removing the car key fob from the pouch allows it to once again send and receive signals.

The majority of modern cars use key-less entry technology, allowing for remote access to the vehicle and its ignition. The Faraday Bag is lined with special material preventing your key fob from communicating with your vehicle. This pouch creates a Faraday cage around anything that is sealed inside. The use of radio transmitters allows criminals to capture the signal from a car's key Fob. If the transmitters are within proximity, access to the vehicle can be gained and the engine can be started. The Faraday Bag for Car Truck Boat FOB Keys are the industry-leading protection for your mobile devices and key-less car fobs.