ho tsoa ho Seabreeze Smart Card Co.,Ltd: 860~960MHz International Protocol: EPC CLASS 1 GEN2, ISO 18000-6C Operating temperature: -30℃~+60℃ Storage temperature: -40℃~+70℃ Mode of operation: R/W Reading distance: 1~6M (according to tag and reader antenna) Data capacity: 96bit/512bit Wipe life: >100,000 times Storage: >10 years Material: Stickers paper+PET+AL Size: Φ40mm/36*20mm or customized