EM4100 125KHz Blue Door Control RFID Proximity ID Cards Key Fobs 50pcs

Description

Works as a regular 125KHz RFID Card type: EM-ID 4100/4102 Compatible with standard EM ID access devices or ID reader Read only, Can not be programmed Can't compatible with UHF reader and encrypted readers, for example, HID,Cobra,APCiK,Paradox,Radio,Honeywell,Kaba,Isonas,etc