Marine-Grade RG-213 Coax – Heavy-Duty 50 Ohm Cable by Davis RF

Davis RF Marine-Grade RG-213 coaxial cable is built to withstand the extreme environmental conditions encountered on ships, boats, and coastal installations. Featuring tinned copper conductors and UV-resistant jackets, it delivers superior RF performance with long-term corrosion resistance. Ideal for HF, VHF, and UHF marine radio systems.

Why Choose Marine-Grade RG-213?

• ✅ Tinned Copper Conductors – Corrosion-resistant for saltwater and marine use
• ✅ UV-Resistant Jacket – Protects against sun damage in exposed environments
• ✅ Heavy-Duty Construction – Handles higher power and longer runs
• ✅ Meets ABYC and U.S. Coast Guard Marine Electrical Standards
• ✅ Manufactured by Davis RF – Trusted quality and durability

Common Marine Applications

• ✅ VHF and SSB marine radio antennas
• ✅ AIS, radar, and HF communications
• ✅ Fixed coastal stations and long cable runs
• ✅ Marine towers and offshore systems

Specifications

• ✅ Impedance: 50 Ohms
• ✅ Center Conductor: Tinned copper
• ✅ Shield: 95% tinned copper braid
• ✅ Jacket: Black PVC, UV-resistant
• ✅ Outer Diameter: ~0.405" (10.3 mm)
• ✅ Attenuation @ 100 MHz: ~2.0 dB/100 ft
• ✅ Frequency Range: DC to 1 GHz+

Davis RF’s Marine-Grade RG-213 is a top-performing coaxial cable for demanding marine and saltwater RF installations. Available in custom lengths, pre-terminated jumper assemblies, and bulk spools at DX Ham Radio Supply.