UID functionalities

The following tables indicate, how Double Size UID are supported by which reader, reader module or reader IC.

Reader Modules:

Reader Anti-collision WRITE Comment
MF CM200 cascade level 2 possible, but LLL4 has to be adapted5 possible, but LLL has to be adapted The MF CM200 is not available anymore.
Reader Anti-collision WRITE Comment
MF CM500 cascade level 2 possible, but LLL has to be adapted6 possible, but LLL has to be adapted The MF CM500 is not available anymore.

 Reader Devices:

Reader Anti-collision WRITE Comment
MF RD260 only cascade level 1, no firmware update or extension possible only COMPATIBILITY WRITE, no firmware update or extension possible Does not support 7 Byte UID.    The MF RD260 is not available anymore.
MF RD560 only cascade level 1, no firmware update or extension possible only COMPATIBILITY WRITE, no firmware update or extension possible Does not support 7 Byte UID.    The MF RD560 is not available anymore.

Reader ICs:

Reader Anti-collision WRITE Comment
MF RC171 full cascade level 2 possible, but LLL has to be adapted possible, but LLL has to be adapted The MF RC171 is not available anymore.
MFRC500 BFL contains the full cascade level 2 support BFL contains the full 4 byte WRITE support  
MF RC530 BFL contains the full cascade level 2 support BFL contains the full 4 byte WRITE support  
MF RC531 BFL contains the full cascade level 2 support BFL contains the full 4 byte WRITE support  
CL RC632 BFL contains the full cascade level 2 support BFL contains the full 4 byte WRITE support  
MF RC522 BFL contains the full cascade level 2 support BFL contains the full 4 byte WRITE support  
MF RC523 BFL contains the full cascade level 2 support BFL contains the full 4 byte WRITE support  
PN xxx BFL contains the full cascade level 2 support BFL contains the full 4 byte WRITE support