RFID Bracelet Frequency:125KHz,13.56MHz IC:EM4200,TK4100,T5577,Hitag,Mifare 1K/4K/UL Widely used for access control,time att RFID BraceletFreevision Technologies RFID wristbands ... the RFID technology in an attractive, high-quality housing. They are available with the most common ICs in 125kHz as well as in 13,56MHz ...