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The BELDEN INC. 4855RBUHD1 B50 is a 50-pack of 12 GHz UHD mini coaxial connectors designed for use with RG59 coaxial cable. These connectors are rated to support ultra-high-definition video signal transmission up to 12 GHz, making them suitable for broadcast, production, and professional AV infrastructure where signal integrity at high frequencies is critical. Each connector is engineered to maintain impedance consistency across the connection point, which is essential in UHD and 4K/8K signal pathways. Licensed electricians, low-voltage technicians, and broadcast systems integrators are the primary installers for this type of hardware.
These connectors are used in professional broadcast facilities, production studios, sporting venues, and commercial AV installations where RG59 mini coax is the cabling standard. The 12 GHz frequency rating makes them appropriate for UHD-SDI signal runs in camera chains, routing switchers, patch bays, and distribution amplifier connections. The 50-unit pack format supports project-scale deployments where multiple terminations are required on a single installation job.
Designed as an OEM-style replacement and standard-use connector for RG59 mini coaxial cable in UHD broadcast and professional AV signal distribution systems.
Installation is typically performed by low-voltage technicians or licensed electricians qualified in broadcast and AV cabling systems. Power down or de-energize connected equipment before terminating or replacing connectors on active signal lines. Use the appropriate cable preparation and crimp tooling specified for RG59 mini coax to ensure proper conductor seating and mechanical retention. Follow facility wiring standards and applicable low-voltage codes when routing and terminating coaxial signal cable.
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