Undetectable MIFARE Compatible 1K – One Time Write UID
$22.86
$40.92
Undetectable MIFARE Compatible 1K – One Time Write UIDThese are used to create undetectable cards, as many access control systems & RFID readers are now able to detect “Chinese Magic” tags. The reader sends the “Magic Unlock Command” (0x40 / 0x43) and If the tag replies, it is flagged as an tampered card and rejected.Please note, once the UID has been sent it cannot be changed. This is by design to ensure they’re not detectable as UID changeable cards, by acting as a normal card once the UID has been set.IMPORTANT:The UID of tags is comprised of two parts: the UID itself, and the BCC. The BCC is a checksum value calculated from the UID. If the BCC is incorrect, tag will be rejected by the reader.Most RFID tools, such as the Proxmark, LibNFC, MCT etc automatically calculate the BCC when the UID is modified. If you are modifying the UID by hand, it is vital that the BCC is correctly calculated.KSEC cannot provide support or refunds under any circumstances for cards that were ‘bricked’ due to incorrect UID/BCC configuration.
