model: BY7903 Optional RFID chip: Aline H3/G2XM/XL, S50 Mifare 1K, S70 Mifare 4K, NXP Ultralight, NXP Desfire, TI, et Codex additicius 2, FM1108(compatible with Mifare 1K S50),etc.. protocol vexillum: ISO18000-6C/ISO15693/ISO14443 Storage: EPC 96bits, expanded memory 512bits Working frequency: 860~960MHz/13.56MHz Read range: 0~8m(related to tags type and read/write device configuration) operationem temperatus: -25~+75℃ Storage temperature: -35~+85℃ Installation method: easy pull clasp Material: …