A Solid Shield Against Signal relay attacks
PROTECT YOUR KEY . PROTECT YOUR CAR
Keep your vehicle’s key protected from signal relay attacks at home or on the move
See How Cars Can Be Stolen Without a Key, In Seconds
See how relay attacks exploit keyless entry in seconds
FORTRESS
Fortress is a precision-engineered Faraday enclosure designed to isolate your vehicle’s key fob signal and neutralize relay theft.
Signal Blocking
Engineered to provide signal blocking, giving you total peace of mind against relay attacks, signal jamming.
Portable & Pocket-Sized
Lightweight, compact design slips easily into your pocket, bag, or glovebox perfect for everyday use or travel.
Peace of Mind Everywhere
Ideal for use on the move,at home, in hotels, public parking lots, or anywhere you park your car.
Fortress
Engineered for your peace of mind
Get yours today and protect your most valuable asset
How It Works
Universal Fit
Compatible with nearly all keyless entry key fobs from brands like Audi, BMW, Mercedes, Ford, Toyota, Haval, VW and more.
Proven Signal Blocking
Signal Blocking featuring multi-layer shielding and a composite material shell, our key holder blocks all RF signals including 315/433 MHz key fob frequencies, RFID, NFC, Bluetooth, GPS, and cellular.
You are protected
Simply insert your car key fob into the holder and close, instantly the holder prevents signals from entering or exiting.
Frequently Asked Questions
No. Fortress is a rigid signal-blocking enclosure, not a fabric pouch.
Most Faraday products are soft sleeves that can wear out or lose effectiveness over time. Fortress uses a solid structure designed to maintain consistent shielding while still being compact enough to carry in your pocket.
Fortress uses Faraday shielding, a specialized enclosure that blocks radio signals such as RFID, Bluetooth, and other wireless frequencies used by keyless entry systems. When your key is inside the enclosure, the signal cannot escape.
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No
Yes, only the Base version