Request InfoRadiant Communications Corp.Radiant Communications Corp. introduces its ST-type adapters available in a rugged metal housing with three types of sleeves: a polymer sleeve for multimode fiber, a phosphor bronze for both multimode and single-mode fiber, and a zirconia for ultralow-loss single-mode requirements. The FC-style adapters are designed for single-mode or angled single-mode connectors. They are available with either a square-mount style or a "D" hole mount style. 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