... printing numbers, Chip available at 125KHz: EM4100, EM4102, TK4100, Hiatg1, Hitag2, temic Specifications and Options Physical Specifications of ISO / IEC 7810 ... at 125KHz EM4100 / H4100EM4102 / H4102EM4200TK4100EM4105, EM4305, EM4450T5557 / T5567 / ATA5567 / ATA5577Hitag1, Hitag2, HitagS 125KHZ Contactless Proximity Card