Functional Specifications: RFID 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 Functionality: Read/write Data Retantion: Up to 50 Years Applicable Surface: Metal Surfaces Read Range : (Fix Reader:ThingMagic FU-M6-E) 145cm - (US) 902-928MHz, on metal 145cm - (EU) 865-868MHz, on metal Read Range : (Handheld Reader: OP9908, R2000) 100cm - (US) 902-928MHz, on metal 90cm - (EU) 865-868MHz, on metal Warranty: 1 Year Physical Specification: Size: 18x6mm Thickness: 2.0mm without IC bump, 3.0mm with IC bump Material: FR4 (PCB) Colour: Black (Red, Blue, Green, White) Mounting Methods Weight: 1.2g Environmenal Specification: IP Rating: IP68 Storage Temperature: -40°С to +150°С Operation Temperature: -40°С to +100°С Cerifications: Reach Approved, RoHS Approved, CE Approved