Rapita MI-EM 2-in-1 UHF & MiFare CardOperating Distance : UHF : Typically ~6 8m on air Mifare : Proximity Frequency : 860 960MHz, 13. 56MHz Memory : UHF 240 bits EPC memory + Mifare 1024 bits Write Endurance Cycle : 100,000 Data Retention : Typically 10 years Write Protection : Blockwise Physical Characteristics : Card Substrate : PET Length : 86mm Width : 54mm Water Resistance : Yes Operating Temperature : 20C to 80C Static Pressure : 10N mm RF Air Protocol : UHF : ISO IEC 18000 Mifare