Good compatibilityaccurate mechanical dimensionshigh reliability and stabilityzirconia or phosphor bronze sleevesingle mode,  multi-mode versionsvarious types of connectors fc, sc, st, mu, lc, mtrj, mpolow splicing loss2.Applicationtelecommunication networktesting equipmentlocal area network(lan)catvengineering recoveryftthconnect different types of ceramic ferrule borescommon adaptersconnector typeceramic ferrule bore end facesingle mode/multi-moderemarkfcpc/upc/apcsm/mmround, square, split square, rectangularscpc/upc/apcsm/mmstpc/upcsm/mmlc, mupc/upcsm/mmdoublemtrjpc/upcsm/mmcommon adaptersconnector typeceramic ferrule bore end facesingle mode/multi-moderemarkfc-scpc/upc/apcsm/mmfc-stpc/upc/apcsm/mmfc-lcpc/upcsm/mmsc-stpc/upcsm/mmsc-lcpc/upcsm/mmfc-mupc/upcsm/mm