Product name:RFID TAG KEY CARD Chip:TK4100,EM or Mifare 125KHz tag Key Card / key fob:1)material:ABS2)color:red, ... yellow,blue,black,green,purple etc3)operating frequency:125KHz, 13.56MHz4)for access control system5)packaging detail: 100pcs/poly ... -purpose data rate: 8, 16, 32 and 64 RF clocks --Reader Talk First feature --Compatible with EM4469 communication protocol --100 to ...