"Ajax Encrypted Contactless Key Fob ""Tag"", White (3pcs) // https://ajax.systems/products/tag/ Communication technology: DESFire® Operating standard; ISO 14443-А (13.56 MHz) Encryption; + Authentication: + Protection from signal interception: +

"Ajax Encrypted Contactless Key Fob ""Tag"", White (3pcs) // https://ajax.systems/products/tag/ Communication technology: DESFire® Operating standard; ISO 14443-А (13.56 MHz) Encryption; + Authentication: + Protection from signal interception: +