T5577 RFID Tag Writable 125khz Proximity Keyfob Emulator

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Atmel T5577 RFID tag - the most versatile 125kHz RFID emulator chip in a tag, keyfob or 1326 clamshell card. It supports more data formats to emulate than EM4305. It comes without pre-programmed UID and can be re-written multiple times. Compatible with proxmark3, flipper zero, or a 125khz RFID copier like “Cloner Guns”. Same chip used in dangerous things xEM & NExT (EM Mode). T5577 can emulate HID Prox (Proxcard, ISOProx, ProxKey), Indala, EM400x, EM410x, EM420x and many more. Ideal for cloning lost office keycards or proximity fobs, reviving dead hotel keys, and emulating vintage RFID badges. Show more