Clear Disc transponders with electronics sealed in a transparent plastic coating that provides resistance to chemical exposure, shock, vibration and thermal fluctuations, both during and after production. Transponders 125 kHz. Chip Type: Unique (64 bit read-only). Operating Temperature: -20° to +60° C. Size Ø: 30 mm. MOQ: 2.000 units. Box Size: 2.000 pieces.