FST (pack of 100) EM 125KHz EM4100 Keyfobs RFID Access Control Cards Proximity TK4100 Keychains Smart ID Keycard Read Only (Black)

• Working 125KHz frequency. Made of high quality ABS material.
• Built-in TK4100 / EM4100 chip. Support Read only, not support write, not support copy
• Each keyfob has metal keyring and unique ID number on it
• ISO14443A Standard, waterproof. Can be programmed on the access controller directly.
• Package including 100pcs black keyfobs. Suitable for door access control system, video intercom system. apartment, office, park, etc

Product Description Material: high quality ABS. Working frequency: 125 KHz Support: read-only, does not support writing, does not support copying Chip: TK4100 / EM4100 chip. Waterproof: Yes Standard: ISO14443A. Each keyring has a metal key ring and a unique ID number on it Suitable for: door access control system, video intercom system Quantity: 100 pieces key rings. Colour: black