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If it is a basic data providing tag, then it can be cloned. If it is a secure tag, it is far more difficult. For secure cards used for payments and authentication, a private key is loaded on to the card and the card never discloses it. The public key is kept by the bank or whoever needs to be able to verify that the card was used. If, for example, the ...


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NFC devices which do not use either public key crypto, encrypted tokens or HMAC tokens or similar cryptographic mechanisms where there is a secret that never leaves the device, they can all be impersonated. Simple devices often just have a static string of data which they broadcast. Many newer NFC devices as well as most enterprise grade devices since ...


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At least 217 feet. Please keep in mind this is an Ultra High Frequency UHF Gen 2 RFID tag meant for use in item sales, tracking, and inventory. This is not the same RF technology in use by access cards. Those are generally Low Frequency (LF) and have a much longer wavelength, which results in a shorter demonstrated distance of 12-19 inches, although that ...



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