Blue Prox RFID (proximity) key fob. EM 4100 / EM 4200. 125 kHz with chip number printed on it. All the key fobs has chip with preprogrammed Unique ID Number. UID can't be changed. UID is preprinted on the keyfob.
PRICE BREAKS - The more you buy, the more you save
Blue Prox RFID (proximity) key fob. EM 4100 / EM 4200. 125 kHz with chip number printed on it. All the key fobs has chip with preprogrammed Unique ID Number. UID can't be changed. UID is preprinted on the keyfob.
