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Langue: en

Version: 372442 (fedora - 01/12/10)

Section: 1 (Commandes utilisateur)


nfc-emulate - NFC target emulation command line tool based on libnfc


nfc-emulate [UID]


nfc-emulate is an tag emulatation tool. Tag emulation is one of the main added features in NFC. To avoid abuse of existing systems, manufacturers of the NFC controller intentionally did not support emulation of custom UID numbers. The emulate tool demonstrates that this can still be done using transmission of raw-frames, and the desired UID can be optionally specified. Fast communication is necessary to respond in time during the anti-collision protocol. Using the USB interface gives some timing issues but an embedded microprocessor could be fast enough to emulate a tag with any UID. This makes it a serious thread for security systems that rely only on the uniqueness of the UID.


UID 8 hex digits format that represents desired UID (default is DEADBEAF).


Please report any bugs on the libnfc forum at


libnfc and nfc-tools are covered by the GNU Lesser General Public License (LGPL), version 3.


Roel Verdult <>

This manual page was written by Romuald Conty <>. It is licensed under the terms of the GNU GPL (version 2 or later).

Quand l'absurde est outré, l'on lui fait trop d'honneur
De vouloir par raison combattre son erreur ;
Enchérir est plus court, sans s'échauffer la bile.
-+- Jean de La Fontaine (1621-1695),
Le Dépositaire infidèle (Fables IX.1) -+-