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Six small black rectangular RJ45 couplers with gold contacts

Vszerda

Vszerda H20-B RJ45 Cat6 Coupler 6-Pack Black

SKU CH-PZ5H-ZFDG0

Six inline couplers extend Ethernet runs up to 1 Gbps with gold-plated contacts and full-metal shielding

  • Product colorBlack
  • Product weight0.04 lb (0.02 kg)
  • Extend cable runs by joining two short cables
  • Gold-plated contacts and full-metal shield cut interference
  • ABS housing resists heat, cold and impact
  • Works instantly with no drivers or setup needed
  • Meets TIA/EIA 568-C.2 Cat6 performance standard

Ethernet Cable Extender

The Vszerda H20-B is a female-to-female RJ45 coupler that joins two shorter Ethernet cables into a single longer run. Each pack contains six black units built with a pure copper gold-plated contact design and full-metal shielding. The ABS housing resists impact, temperature extremes and meets flame-retardant requirements. No drivers or tools are needed; simply snap the cables into the retaining clips for an instant extension.

Upgrade from Single Short Cable

This coupler replaces the need to buy a single long factory cable when existing shorter cables are already on hand. The jump is worth it when a run must cross a room, pass through a conduit or reach a device that sits just beyond the installed cable length. It supports Category 6 performance per the TIA/EIA 568-C.2 standard and maintains up to 1 Gbps throughput across the connection. Builders who need a second card or a different connector type will not be served by this inline joiner.

Capacity and Headroom

Each unit measures 1.5 by .8 by .8 inches and weighs .04 pounds, so six fit easily in a tool bag. The eight-core gold-plated contacts and polycarbonate shell preserve signal integrity for Gigabit speeds over the combined cable length. Performance holds while the total run stays within the Ethernet distance limit; beyond that, signal degradation appears and a switch or active extender becomes necessary.

How it compares

Measured against everything we stock in Network Adapters & RJ45 Plugs, at today’s prices. Recalculated every night.

Price $13.99
Cheaper than about 70% of the 1,221 comparable items (median $19.99).

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Specifications

Product
Brand nameVszerda
Model nameH20-B
Product colorBlack
Size & build
Product weight0.04 lb (0.02 kg)

Questions about this item

What are the exact dimensions of each coupler so I can check if it fits in my cable management tray?

Each coupler measures 1.5 by 0.8 by 0.8 inches, making it compact enough for tight spaces and cable trays.

How do I install the coupler correctly and what common mistake should I avoid?

Insert both RJ45 plugs fully until the retaining clips click; the common error is not pushing the cables in until the clips engage, which causes intermittent connectivity.

Will the gold-plated contacts need cleaning or replacement over time?

The nickel-plated contacts and gold-plated tentacles resist corrosion, so no routine cleaning or contact replacement is required under normal use.

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