Coin tag 30mm diameter work at 125KHz

Coin tag 30mm diameter work at 125KHz with GK4001 chip

short desc:
- keychain rfid that work on 125KHz
- read range up to 60mm
- format GK4001 / chip
- 64 bit data
-53mmx27mmx2mm

Keychain tag - more rfid checkout http://rfid.rosesana.com