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50ft SMA male to female RG58 coaxial extension cable with double-layer shielding

PISKEKAT

PISKEKAT SMA Male to Female RG58 Coaxial Extension Cable 50ft

SKU CH-3N0B-HB3E2

A 50 ft SMA male-to-female RG58 coaxial extension cable with double-layer shielding for better signal retention on long runs

  • RG58 cable keeps signals stronger over long runs than RG174 or RG316
  • Double copper braid and aluminium mylar shielding cuts interference for high-frequency use
  • 50 ft length lets you relocate antennas without signal loss
  • SMA male-to-female connectors fit Wi-Fi, SDR, ham radio and LTE gear
  • Flexible construction routes easily in vehicles, buildings and outdoor setups

50ft SMA Extension for Long Runs

This 50ft SMA male to female coaxial cable uses RG58 construction to extend antenna connections for Wi-Fi, SDR, ham radio, cellular routers and GPS equipment. The larger centre conductor and double-layer shielding provide better signal retention than thinner RG174 or RG316 alternatives over the same distance. It suits installations where the antenna must be mounted far from the radio or gateway.

Upgrade from RG174 or RG316 for Distance

The jump is worth it when the cable run exceeds a few metres or when the application demands higher power handling. RG58’s thicker centre conductor and copper braid plus aluminium mylar shield reduce attenuation and interference that degrade weaker cables on long paths. Builders staying with short patch leads or needing ultra-thin routing will not benefit from the extra bulk.

Simple Thread-On Install with Routing Care

Both ends carry standard SMA threads so the cable screws onto the antenna and device without tools. The double shielding keeps the cable pliable but it still has a minimum bend radius; sharp kinks or crushing the jacket will damage the braid and foil layers. Avoid over-tightening the connectors and secure the run with clips to prevent stress on the joints.

How it compares

Measured against everything we stock in Antennas, Cables & Rigging Fittings, at today’s prices. Recalculated every night.

Price $29.99
Cheaper than about 59% of the 424 comparable items (median $56.99).

Specifications

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Questions about this item

What connectors does the 50ft RG58 cable use for antenna relocation?

The cable has an SMA male plug on one end and an SMA female jack on the other, allowing you to extend an existing SMA antenna connection by fifty feet.

How do I attach this extension to my router or radio without damaging the centre pin?

Align the male SMA plug carefully with the female SMA port, then turn only the knurled coupling nut clockwise until finger-tight; forcing the threads or over-tightening with a spanner often bends the delicate centre conductor.

When should I replace the RG58 extension if it lives outdoors on a vehicle?

Inspect the jacket annually for UV cracking, water ingress at the connector boots, or kinks that deform the dielectric; replace the cable if the braid is corroded or the centre conductor shows green oxidation.

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