... /4K/UL Widely used for access control,time att 13.56MHz Mifare 1K RFID BraceletFreevision Technologies RFID wristbands integrate the RFID technology ... WT02Color: blue, red, yellow, green, etcFrequency: 125KHz, 13.56MHz, 860-960MHzChips: EM4200, TK4100, T5577, Hitag, Mifare 1K/4K, I CODE SLI, UHF, etc ... completely with your design, more details please contact the sales. 13.56MHz Mifare 1K RFID Bracelet