Belden 4855R N3U1000 1000' SDI Video Coax Cable, Mini RG-59, 12 GHz, 4K UHD, 75 Ohm, CMR, Black

Optimize video distribution for security, surveillance and monitoring applications with the Belden 4855R N3U1000 SDI video coax cable. Designed for professional installers and system integrators, this mini RG-59, 75 Ohm coax provides the headroom needed to carry pristine 4K UHD and HD‑SDI signals thanks to its 12 GHz bandwidth capacity. Supplied on a full 1000' spool, the cable minimizes field joins and potential signal degradation on long runs common in campus, retail and industrial CCTV deployments.

Belden's industry-leading construction combines a compact, flexible jacket with tight electrical tolerances to maintain consistent impedance and low loss—critical for multi-camera surveillance and remote monitoring systems. The CMR (riser) rating gives you confidence for commercial vertical runs, while the black finish maintains a low profile in installations. Whether upgrading legacy analog systems or deploying new IP/SDI hybrid architectures, this coax simplifies installation and preserves image fidelity. Order the Belden 4855R N3U1000 to streamline your next security or broadcast project and ensure dependable, high-resolution video delivery.

• Delivers reliable 4K UHD and SDI video over long runs with 12 GHz bandwidth for clear surveillance and monitoring feeds
• 1000' spool reduces joins and installation time, minimizing potential signal loss on large security projects
• 75 Ohm impedance and mini RG-59 construction ensure broad compatibility with CCTV, HD‑SDI and legacy analog equipment
• CMR-rated jacket provides riser-rated safety and durability for commercial riser installations and structured cabling pathways
• Slim, flexible black cable eases routing in conduit and tight spaces, speeding deployment in retrofit and new-build security systems