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Marine-Grade RG-58A/U Coax – Flexible 50 Ohm Cable by Davis RF

Davis RF Marine-Grade RG-58A/U is a lightweight, flexible coaxial cable designed for short-run marine applications. Ideal for VHF communications, patch cables, and portable setups, this cable features tinned copper conductors and a UV-resistant jacket for long-lasting performance in saltwater and sun-exposed environments.

Why Choose Marine-Grade RG-58A/U?

  • ✅ Tinned Copper Center Conductor – Corrosion resistance in marine environments
  • ✅ Compact and Lightweight – Perfect for tight spaces or mobile use
  • ✅ UV-Stabilized Jacket – Withstands outdoor and sun-exposed conditions
  • ✅ Flexible Construction – Easy routing around corners and obstacles
  • ✅ Built to Marine Standards – Compliant with ABYC and USCG guidelines

Common Marine Applications

  • ✅ VHF marine radio patch cables
  • ✅ Short antenna runs on sailboats or yachts
  • ✅ AIS, GPS, and marine electronics connections
  • ✅ Mobile marine radio systems

Specifications

  • ✅ Impedance: 50 Ohms
  • ✅ Center Conductor: Stranded tinned copper
  • ✅ Shield: Braided tinned copper
  • ✅ Jacket: Black PVC, UV-resistant
  • ✅ Outer Diameter: ~0.195" (4.95 mm)
  • ✅ Attenuation @ 100 MHz: ~4.6 dB/100 ft
  • ✅ Frequency Range: DC to 1 GHz+

Choose Davis RF Marine-Grade RG-58A/U when flexibility and corrosion resistance are required for short marine coaxial cable runs. Available in custom lengths or pre-terminated jumpers at DX Ham Radio Supply.

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Davis RF C58 Marine Grade Coax Davis RF C58 Marine Grade Coax Davis RF C58 Marine Grade Coax
RG-58 A/U - Stranded Tinned Copper Military C-17 - Dielectric Layer .098" Solid Polyethylene - Shield Type Tinned Copper Braid - Jacket White PVC Type IIA (Non-contaminating) RG-58 A/U - Stranded Tinned Copper Military C-17 - Dielectric Layer .098" Solid Polyethylene - Shield Type Tinned Copper Braid - Jacket White PVC Type IIA (Non-contaminating) RG-58 A/U - Stranded Tinned Copper Military C-17 - Dielectric Layer .098" Solid Polyethylene - Shield Type Tinned Copper Braid - Jacket White PVC Type IIA (Non-contaminating)
Davis RF C58 Marine Grade Coax Davis RF C58 Marine Grade Coax Davis RF C58 Marine Grade Coax
RG-58 A/U - Stranded Tinned Copper Military C-17 - Dielectric Layer .098" Solid Polyethylene - Shield Type Tinned Copper Braid - Jacket White PVC Type IIA (Non-contaminating) RG-58 A/U - Stranded Tinned Copper Military C-17 - Dielectric Layer .098" Solid Polyethylene - Shield Type Tinned Copper Braid - Jacket White PVC Type IIA (Non-contaminating) RG-58 A/U - Stranded Tinned Copper Military C-17 - Dielectric Layer .098" Solid Polyethylene - Shield Type Tinned Copper Braid - Jacket White PVC Type IIA (Non-contaminating)
Davis RF C58 Marine Grade Coax Davis RF C58 Marine Grade Coax Davis RF C58 Marine Grade Coax
Marine Grade Coax RG-58A/U - 50 OHM 500 FT
Our price: $207.70
Sale Price: $195.70
Savings: $12.00
RG-58 A/U - Stranded Tinned Copper Military C-17 - Dielectric Layer .098" Solid Polyethylene - Shield Type Tinned Copper Braid - Jacket White PVC Type IIA (Non-contaminating) RG-58 A/U - Stranded Tinned Copper Military C-17 - Dielectric Layer .098" Solid Polyethylene - Shield Type Tinned Copper Braid - Jacket White PVC Type IIA (Non-contaminating) RG-58 A/U - Stranded Tinned Copper Military C-17 - Dielectric Layer .098" Solid Polyethylene - Shield Type Tinned Copper Braid - Jacket White PVC Type IIA (Non-contaminating
   
 
Non-contaminating Jacket - There are no plasticizers in the outer jacket that can migrate into the dielectric interfearing with the electrical characteristics.