Description
- 125khz EM4100 Chip,Read Only,can't rewritable,If you need rewritable Keyfob,please contact with us
- all the chip has pre-programmed with Unique ID Number,but UID can't change,UID is pre-printed on the keyfob
- it's normal ID 125KHZ Keyfob,not H ID Format,so it can't work with H ID reader
- blue,black,Grey,Green,orange,red is available in stock
- 125khz key fob
YARONGTECH 125khz key fob, access rfid tag em4100 chip for access control (pack of 10)