RG8x Coaxial Cable 50ft CB Coax Cable - Low Loss Extension

Our review of the RG8x Coaxial Cable 50ft finds it most useful for hobbyists and mobile radio users who need a longer, lower-loss run than standard RG58. The cable is aimed at ham radio operators, CB and VHF users, and anyone connecting an antenna analyzer, SWR meter, dummy load or marine VHF antenna: the single biggest reason to buy is the improved signal transfer from the RG8x construction and higher shielding compared with typical thin coax, which helps preserve RF energy over the 50ft length.

Key Features

• Applications: Works with VHF marine antennas, CB radio, ham radio, antenna analyzers, SWR meters, tuners and dummy loads for flexible use across RF tools.
• Ultra Low Loss: RG8x (Mini-8) construction delivers noticeably lower signal loss than RG58, helping retain stronger signals on longer 50ft runs.
• Premium Materials: Solid copper inner conductor plus aluminum foil and tinned copper braid provide greater shielding and improved resistance to EMI and RFI.
• Weather Resistant Jacket: White PVC jacket is waterproof and flexible enough for outdoor exposure on marine or mobile antenna installations.
• Stronger Connection: Extended 2.2in heat shrink at the PL259-to-cable junction protects the connector and reduces the chance of separation under strain.
• Manufacturing Standards: Made by a dedicated RF cable manufacturer with a focus on consistent build quality and customer support.

Who It's For

The RG8x 50ft coax is best for ham radio operators, CB users and marine or mobile VHF installs where a moderate-length, lower-loss feedline is required and space or routing makes a 50ft cable convenient. It is particularly appropriate for those upgrading from RG58-style cables and needing better shielding and less attenuation over that distance.

It may be less appropriate for users who need an ultra-flexible lead for tight coil routing or for installers who insist on a tinned copper braid rather than an aluminum braid if maximum braid conductivity is a priority.

Pros & Cons

Pros

• Good cable quality with a solid copper center conductor that supports reliable signal transfer.
• Lower loss than RG58, making it a sensible step-up for longer runs or higher frequency use.
• High shielding effectiveness and waterproof PVC jacket suit outdoor and marine applications.
• Reinforced heat-shrink junction reduces connector stress and improves durability.

Cons

• Braid material is aluminum-based rather than full tinned copper, which some users note is less ideal for corrosion resistance and flexibility.
• Some users find the cable stiffer than thinner coax, which can complicate tight routing in confined spaces.

Specifications

Length	50ft
Cable type	RG8x (Mini-8) 50 Ohm
Connector	UHF PL259 male to male
Inner conductor	Solid copper
Outer conductor	Aluminum foil + tinned copper braid (approx. 95% shield)
Jacket	Waterproof white PVC
Typical uses	CB, ham radio, VHF marine, antenna analyzer, SWR meter, dummy load

Our Verdict

The RG8x Coaxial Cable 50ft is a practical, cost-effective upgrade from RG58 for radio hobbyists and mobile antenna installs that need lower loss and robust shielding over a 50ft run. It balances build quality and weather resistance well, offering good value for users who want improved signal retention; installers who need maximum flexibility or a full tinned copper braid should check alternatives.

Frequently Asked Questions

Is this cable better than RG58?
Yes, RG8x has lower signal loss and better shielding than standard RG58, making it a better choice for longer or higher frequency runs.

Will the PL259 connectors fit my radio?
PL259 male connectors are compatible with most UHF SO-239 style female ports found on CB, ham and VHF equipment, but verify your radio or antenna fitting before purchase.

Can I use this outdoors on a boat?
Yes, the waterproof white PVC jacket and good shielding make it suitable for marine VHF antenna feedlines, though proper sealing at connections is recommended for long-term corrosion protection.