Available frequency: LF 125KHz, 134.2KHz/HF 13.56MHz/UHF 860~960MHz Available chips: TK4100, EM4200, EM4305, T5577, FM11RF08, M1 S50, I CODE 2, omangidwa chip zitsanzo, omangidwa chip zitsanzo, Impinj M4/M5, etc.. Communication protocol: ISO 14443A, ISO 15693, ISO 18000-6C Working years: more than 10 years Read range: 2~ 100cm (reading distance depends on chip type and antenna size) Ntchito kutentha: -30℃~+220℃ Color: buluu, wofiira, wakuda, white, yellow, …