model: YW671 Material: Environmental protection silicone + steel sheet Specifications: band: 225*22*10mm; header: diameter 32mm, thickness 8mm Weight: 22.4g Frequency: 125kHz, 13.56MHz, 860~960MHz Reading distance: 1~ 10cm, UHF chip read distance greater than 30cm (based on reader performance and antenna and use environment). chip pilihan: EM4102, TK4100, FM11RF08, Mifare 1k S50, I code SLiX, Mifare Ultralight, NTAG203, Alien Higgs3 Working temperature: …