Frequency: 13.56 MHz
Capacity: 1k bytes EEPROM memory
Read Distance: 0 ~ 10 cm(depends on the R/W device)
UID card block 0 (UID’s block) can be modified.
Default key for FFFFFFFFFFFF.
Note: We don’t offer the program for rewrite the UID purpose ,
Most of the buyer will use ACR122U-A9 reader for rewrite the UID, Please search the relate information at Internet.