An ST SM Mid Coupler is a single-mode fiber optic adapter used to connect two ST-terminated cables inline, ensuring precise, low-loss performance with its ceramic sleeve and durable designAn ST SM Mid Coupler is a single-mode fiber optic adapter used to connect two ST-terminated cables inline, ensuring precise, low-loss performance with its ceramic sleeve and durable designAn ST SM Mid Coupler is a single-mode fiber optic adapter used to connect two ST-terminated cables inline, ensuring precise, low-loss performance with its ceramic sleeve and durable designCorning's 720 series ST (single tube) fiber connectors and adapters offer superior performance and high repeatability. These products are fully intermate able with all standard ST products and deliver very high stability under a wide range of applications and conditions. The simplex housing is available in double D footprint type. ST adapters have high precision alignment sleeves for. Spring‑loaded, bayonet‑lock ST fibre adapters with ceramic alignment sleeves for low‑loss simplex connections in single‑mode and multi‑mode environments. ST through‑adapters are the legacy workhorse of optical fibre networks. Their compact, flangeless housings align two ST connectors with a bayonet. SENKO's ST simplex and duplex adapters are available with metal housing and a zirconia split sleeve. Something went wrong during preparation of your quote. * Based on Master Grade jumper to Low Loss random. With 21 years history, KOC is a well-established brand popularly accepted in the world-wide market, especially in European and American countries.