Functional Specifications Communication protocol: EPC Class1 Gen2, ISO18000-6C Frequency: US 902-928MHz / EU 865-868MHz IC type: Alien Higgs-3 Memory: EPC 96bits (Up to 480bits) , USER 512bits, TID64bits Write Cycles: 100,000times Working mode: Read/write Data Retention: Tak 50 Years Applicable Surface: Metal Surfaces Read Range(On Metal): Fix Reader(36dBm/4W): Up to 30.0m – (US) 902-928Mhz, on metal; Up to 28.0m …