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
card type: contactless ID card
size: 85.5*54*0.80MM
front: 18-digit ID serial number
low frequency 125KHZ
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