Physical SpecificationsSize (mm): 12 x 11/35*22Material: ABS RF SpecificationsChip: LF/HF/UHFFrequency: 125-134.2KHz/13.56MHz/860-960MHzProtocol: ISO11784/14443A/18000-6COperating Mode: PassiveIC Life: Write endurance of 100,000 cycles,Data retention of 10 yearOperating Distance: 2CM(Related to the reader)Operation Temperature: -20°C~ +80°C