RFID card 125KHz popular frequency

RFID card 125KHz

this is card only without RFID module

this is most popular RFID Card frequency 125KHz

most of access control or door lock use this type.

TK4100 chip

1. Working carrier frequency: 125KHZ
2. Compatible with all ID card readers with a frequency of 125KHZ
3. Non-contact, no battery required
4. Reading distance <10cm
5. Data storage time 10 years
6. EM4100, TK28, TK4100 ,4100,4001,T5557,T5567,H4100
7. Temperature: -10℃ and +50℃
8. Dimensions: Length: 85.6±0.013mm
Width: 53.98±0.05mm
Thickness: 0.8±0.04mm