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Marine Grade RG-58 – 50 Ohm Low Loss Coax Assembly

Our Marine Grade RG-58 Coax is a flexible 50 Ohm coaxial cable designed for marine and outdoor applications. Built with a UV-resistant jacket and corrosion-resistant tinned copper conductors, it is ideal for use in environments exposed to moisture and salt.

Key Features:

  • ✅ Marine Grade 50 Ohm RG-58 coaxial cable
  • ✅ Stranded tinned copper center conductor and braid
  • ✅ Low-loss performance for HF, VHF, UHF frequencies
  • ✅ Single shielded for EMI/RFI protection
  • ✅ UV and moisture resistant jacket for marine and outdoor use

Specifications:

  • Cable Type: Marine Grade RG-58
  • Impedance: 50 Ohms
  • Center Conductor: Stranded tinned copper
  • Dielectric: Solid polyethylene
  • Shielding: Tinned copper braid
  • Jacket: Black UV-resistant PE jacket (Marine Grade)
  • Attenuation:
    • ~4.8 dB per 100 ft @ 50 MHz
    • ~8.5 dB per 100 ft @ 150 MHz
    • ~14.0 dB per 100 ft @ 450 MHz

Common Applications:

  • ✅ Marine HF, VHF, UHF antenna feedlines
  • ✅ Boat and shipboard RF installations
  • ✅ Coastal and offshore radio systems
  • ✅ Portable and mobile marine antennas
  • ✅ RF feedlines requiring corrosion resistance and flexibility

Available by the foot and in custom assemblies. All Marine Grade RG-58 Coax is tested and ready for marine and outdoor RF applications. Contact us for bulk orders or custom lengths.

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RG-58 a/u, 50 ohm, Black PVC .195" Jacket, Polyethylene Dielectric, #20 Stranded, tinned copper Conductor, 96% tinned copper braid Shield
RG-58 a/u, 50 ohm, Black PVC .195" Jacket, Polyethylene Dielectric, #20 Stranded, tinned copper Conductor, 96% tinned copper braid Shield
RG-58 a/u, 50 ohm, Black PVC .195" Jacket, Polyethylene Dielectric, #20 Stranded, tinned copper Conductor, 96% tinned copper braid Shield
Marine Grade C58 Cable Assembly Marine Grade C58 Cable Assembly
Marine Grade RG-58 - 100 FT. Assembly
Our price: $70.75
Sale Price: $68.98
Savings: $1.77
Marine Grade RG-58 - 125 FT. Assembly
Our price: $81.87
Sale Price: $79.82
Savings: $2.05
RG-58 a/u, 50 ohm, Black PVC .195" Jacket, Polyethylene Dielectric, #20 Stranded, tinned copper Conductor, 96% tinned copper braid Shield
RG-58 a/u, 50 ohm, Black PVC .195" Jacket, Polyethylene Dielectric, #20 Stranded, tinned copper Conductor, 96% tinned copper braid Shield