Where to buy two-core single-mode optical fiber

You can purchase single-mode dual-core optical fiber from specialized suppliers like Abalone Tech, ISP Mart, and VCELINK, which offer 2-core single-mode cables suitable for telecom, FTTH, and data center applications.Recommended Suppliers and ProductsAbalone TechOffers single-mode OS1/OS2 duplex zipcord fiber cables with two parallel fibers in a single jacket for easy deployment.Supports high-speed, long-distance transmission (OS2 up to 200 km) with low attenuation (≤0.4 dB/km).Pre-terminated options with LC/SC/ST/FC connectors are available for plug-and-play use in telecom and data centers .ISP MartProvides 2 Core FTTH Single-Mode Optical Fiber Cables designed for indoor use with reinforced durability.Ideal for Fiber-to-the-Home (FTTH), Cable TV, and internet connectivity.Features include 4.5 mm outer diameter, FRP reinforcement, and yarn for added strength .VCELINKSells 2-core single-mode fiber optic cables suitable for indoor horizontal and vertical cabling, under carpet, or along corners.Bend-insensitive and strengthened with phosphated steel wire for tensile strength.Offers LSZH sheath and outdoor FTTH options; wholesale inquiries are possible if stock is limited .Key Considerations When BuyingCore Type: Ensure the fiber is single-mode (typically 9 µm core) for long-distance, high-speed transmission .Cable Construction: Duplex or dual-core cables allow two channels in one jacket, simplifying installation.Standards Compliance: Look for ITU-T G.652.D, TIA/EIA-492, and IEC compliance for guaranteed performance .Application: Choose OS1 for indoor short-distance (10 km).Connectorization: Pre-terminated cables save installation time, while bare fiber allows custom splicing. By selecting from these suppliers, you can acquire high-quality dual-core single-mode fiber suitable for telecom, FTTH, or enterprise network deployments, with options for both indoor and outdoor environments.