Universal Signal-Blocking Pouch — Phone & Car Key Faraday Case

Universal Signal-Blocking Pouch A versatile Faraday pouch that blocks common wireless signals around whatever you seal inside — a phone, car key fob, or cards. Use it to stop relay attacks on keyless-entry cars, cut phone tracking and notifications on demand, or shield contactless cards. What it does Blocks common wireless signals — cellular, Wi-Fi, GPS, NFC/RFID, and keyless-entry RF — when a device is fully sealed inside Stops relay amplification of car key fob signals to help prevent keyless-entry theft Works as an RFID sleeve for contactless cards Fold-over closure seals in seconds; opens just as fast when you need signal back Construction Inner silver shielding layer, 680D waterproof Oxford outer Size: 20 × 10 cm (fits most phones) · carry loop included Available in several colors To verify: seal a phone inside and call it — no ring means it's working. Explore more: Faraday bags · RFID protection · EMF & RF detectors.