The Cobra RG-58 Low Loss Coaxial Cable – 18 ft is the standard hookup between your CB radio and antenna, with molded PL259 connector ends for a secure, weather-resistant connection. Buy online now for just $10.00 — 50% off the $19.95 compare-at price.
Works With Your CB Radio
Yes — this RG-58 coax works with any CB radio that uses a standard PL-239/SO-239 antenna input, including all Cobra 19, 29, and 148 series radios. The 18 ft length gives you plenty of routing room in trucks, Jeeps, and SUVs.
What Antennas Fit This Coax
Any CB antenna with a PL-259 termination connects directly, including Cobra fiberglass antennas, Wilson, Firestik, and compact magnetic-mount antennas.
Installation Guide
- Route the cable from radio to antenna, avoiding door hinges and pinch points.
- Keep the coax away from ignition wiring and power cables to minimize noise.
- Hand-tighten the molded PL259 ends — no adapters needed for standard setups.
- Check SWR after installation to confirm a clean connection.
Specifications
- Brand: Cobra
- Cable Type: RG-58 low loss coax
- Length: 18 ft
- Connectors: Molded PL259 on both ends
- Use: CB radio to antenna signal path
RG-58 vs Alternatives
RG-58 is the affordable, flexible choice for runs under 18 ft. For dual-antenna or longer runs, consider Cobra RG-59 co-phase cable. For most single-antenna mobile installs, RG-58 delivers excellent signal with minimal loss.
Price & Deal Value
$10.00 sale price — 50% off $19.95. Add coupon OUTPOST12 for another 12% off, and enjoy free shipping on orders over $45.
