... available, High quality ABS/PC, Ultrasonic plastic welding Different chips 125KHz, 13.56MHz, shapes available, High quality ABS/PC Ultrasonic ... Red, black, yellow, blue, grey, green... IC available at 125KHz nominal:TK4100, EM4100, EM4102, EM4450,NXP Hiatg1, Hitag2, HitagS256, HitagS2048, Atmel ... Car Park Control, Member Club Management, etc Oem welcome. RFID key fob all chips available EM4100