Available RF frequency: LF/HF/UHF Available chip: EM4102, EM4200, EM4305, TK4100, T5577, Mifare 1K S50, Mifare 4K S70, Ultraligero C, FM11RF08, NTAG203, Alien H3, Impinj M4,etc. Coercive force resistance: High magnetic strip(HiCO): 2750 OE Magnetic strip color optional: gold, silver, xí mpothe, brown, red, xí, blue, laser,etcetera. Magnetic strip width: standard 12.5mm Magnetic layer structure: layer pressed Service life: > 2000 ya 'nandi …