XRDS -RF KMR400 35ft PL-259 50Ω Low-Loss Coax Cable

This durable 35-foot KMR400 coax uses a copper-clad aluminium center conductor, high-density tinned-copper braid providing 100% shielding, and UV-resistant RF-PVC jacketing to withstand outdoor installations. Built with nickel-plated RF Industries waterproof UHF connectors and an adhesive-lined heat-shrink sleeve, the assembly emphasizes stable connections, low attenuation and long-term exposure resistance without complicated installation steps.

How does this cable reduce signal loss compared to standard coax?

The KMR400 construction targets lower attenuation with a dense braid and optimized dielectric to keep RF energy where it belongs. XRDS -RF measures VSWR under 1.35 across typical VHF/UHF ranges and reports very low loss for short reference lengths, which scales advantageously over longer runs.

• 50 ohm impedance tailored for CB, HAM and analyzer use
• High-density tinned copper braid for improved shielding
• Reference attenuation: low measured dB at midband frequencies

What connector and sealing features prevent failure outdoors?

The cable uses nickel-plated RF Industries PL-259 male connectors with a heavy mount-clamp installation rather than a crimp-sleeve, reducing the risk of the connector pulling off. Each end is protected with a 2.2-inch adhesive-lined heat-shrink sleeve to seal the junction against moisture and dirt for longer service life.

• RF Industries waterproof nickel-plated PL-259 connectors
• Heavy mount clamp for a secure mechanical connection
• 2.2" black adhesive-lined heat-shrink for sealed ends

Is this cable built to survive outdoor conditions and UV exposure?

The outer jacket is a flexible RF-grade PVC specifically selected for UV resistance and durability, and the assembly is intended for long-term outdoor exposure. While no cable lasts indefinitely under extreme conditions, this design emphasizes corrosion resistance and mechanical longevity for rooftop or mast installations.

• UV-proof RF-PVC jacket for extended outdoor use
• Nickel plating resists corrosion at connector interfaces
• Construction aimed at multi-year field deployment

Which radio and test accessories is this cable compatible with?

Designed as a universal 50Ω UHF lead, this PL-259 male-to-male cable pairs with CB and amateur radios, antenna analyzers, SWR meters, dummy loads and AIS or VHF/UHF antennas requiring PL-259/SO-239 interfaces. Its low-loss characteristics and solid shielding make it suitable for both bench testing and deployed antenna runs.

• CB and HF/VHF/UHF ham transceivers with PL-259/SO-239
• Antenna analyzers, SWR meters and dummy loads
• AIS/VHF/UHF antenna feedlines and temporary test setups

Who is this for? Installers, hobbyist radio operators and field technicians who need a dependable 35-foot 50Ω feedline with rugged connectors and sealed terminations will appreciate this XRDS -RF KMR400 assembly. It suits users who value lower attenuation, secure mechanical connections, and a cable built to tolerate outdoor exposure while linking radios and test gear without fuss.