... :860 to 960MHz. 3.Long read distance 4.high quality RFID Metal tag RFID Metal tag Character1.UHF Card Standard:ISO 18000-6C, EPC ... , insurance, super marketing, parking, school, library management .access control ect. RFID Metal tag Specification 1.Chip TypeAlien H2/H3Impinj M3/M4/M52 ... modePassive8.Card sizes21×17mm,or as request 9.Thickness2mm10.MaterialCeramicRFID metal tag picture RFID metal Tag