Main technical parameters RF frequency: low frequency 125KHz/134.2KHz Protocol standard: ISO 11785, ISO 11784/FDX-B Material: Shell ABS Material: TPU (polyurethane) Packaging process: two-shot injection molding Color: White Shape: Φ22×H12mm Weight: 5 grams Environmental conditions Operating temperature (during communication): -20℃ ~ + 65 ℃ (RH) Cia kub (data retention): -30℃~+75℃ (RH) Temperature resistance: +100℃ (hot water) 1 hour 20 cycles Other Chemical resistance: meet the …