Trayvax makes metal card wallets in the United States. Some models add an RFID-blocking layer so a casual scanner does not read the chip in a contactless card. The frame holds a few cards and a bill. Warranties are part of the pitch. The steel is stiff until it loosens. RFID blocking is not a […]
Silent Pocket sells wallets with RFID blocking and separate Faraday sleeves for phones, key fobs, and laptops. A closed sleeve is meant to attenuate radio so the device inside is not on the cellular, Wi-Fi, or Bluetooth network. That is a real use: a phone you want silent in a meeting, a fob you do […]
Ekster makes thin wallets, often leather, with an RFID-blocking layer and an optional tracker card. The tracker is a Bluetooth tag so the wallet can ping a phone when you leave it behind. Solar charging on that card is a product feature, not a privacy feature. A tracker is a radio you chose to add. […]
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