Sound crafts, exprienced assembly, strict quality control and test, good materials ensure reliable performance of our products.. Dimesion: ... customizes logo can be printed on the hard shell side IC available at 125KHz nominal:TK4100, EM4100, EM4102, EM4450,NXP ... Hiatg1, Hitag2, HitagS256, HitagS2048,Atmel temic 5567 IC available at 13.56MHz nominal:NXP Mifare1 S50, Mifare1 S70 ...