With this function you can check if transponder can be overwritten or is permanent locked.

 

PCF7930/31 and PCF7935 - click PCF793031 or PCF7935

 

prog 5 prog 4

 

ID:48w/CN6 and ID:46w/w2 - click ID48w or ID:46w/w2

 

prog 2 prog 3