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Two BNC female-to-female inline couplers, metallic finish

Ruth's sister

Ruth's sister 2pcs BNC Female to Female Coupler internal power cable

SKU CH-4C8S-EA53E

Two BNC female couplers extend coaxial cables for CCTV surveillance systems

  • Connect two BNC cables with inline female-to-female coupler
  • Extend coaxial runs for CCTV camera installations
  • Supports video and audio signals in surveillance systems
  • Pack of two couplers provides spare or multi-point connections
  • Simple plug-in installation requires no tools or power

Two BNC Female Couplers

This pack contains two inline BNC female-to-female couplers designed to join coaxial cables in CCTV and security video installations. They provide a simple way to extend existing cable runs without soldering or crimping. Installers and DIY users can connect camera feeds or recorder links quickly in surveillance systems.

Passive connectors with no power draw

As passive mechanical adapters, the couplers draw no power and generate no heat or noise during operation. They maintain signal continuity through gold-plated contacts inside a metal housing. Normal use adds no thermal load to the rack or enclosure and requires no active cooling.

Fits standard BNC coaxial cables

Each coupler accepts two male BNC plugs, letting you link cables that already terminate in BNC connectors. The compact inline form factor keeps the joint short, helping tidy cable trays and reducing strain on panel-mounted jacks. No tools, external power or additional adapters are needed for installation.

How it compares

Measured against everything we stock in Internal PSU & Riser Cables, at today’s prices. Recalculated every night.

Price $7.99
Cheaper than about 91% of the 7,839 comparable items (median $14.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How do I install the BNC female-to-female couplers, and what step is often missed?

Connect each BNC plug by pushing it straight in, then rotate the knurled collar clockwise until it clicks into the bayonet slots; the step most people skip is that final quarter-turn, leaving the centre pin loose and causing intermittent video.

What maintenance or replacement will these couplers need over time?

The nickel-plated brass contacts and PTFE insulator require no scheduled service; only replace a coupler if the bayonet lugs crack, the centre pin bends, or corrosion appears after prolonged outdoor exposure.

What limit appears first when the couplers are used continuously in a CCTV system?

The mechanical bayonet latch and centre-pin spring tension are the first to degrade; repeated mating cycles or constant vibration can loosen the lock, increasing insertion loss before any electrical parameter drifts.

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