Product name: 915MHz UHF cards (another name: 6B/6C cards; G2 cards) Common chip: NXP G2XM (commonly used in non-standard size cards ),Alien9662 (commonly used in the standard size cards) operating frequency: 860~960MHz Protocol standard: (common) ISO 18000-6C (EPC C1 GEN2) ISO 18000-6B Memory capacity: 512bit/96bit Reading distance: 3~15M ( with different antenna matching ) Buhat mode: R/W Working temperature: -10℃ ~ + 70 ℃ …