... combined with an antenna in a compact package, the packaging is structured to allow the RFID tag to be attached to an ... the signal.1.High waterproof , high tempature resistant ;2. The wristband is embedded with contactless IC chip inside (125khz or 13 ... chip)3. Ffid IC support : 125KHZ RFID: EM4200, EM4302, EM4305, TK4100,T5557,13.56KHZ RFID: Mifare 1K, Mifar 4K,Mifare Desfire 4K ...