Description
The CNTOU S505MM is a 5-meter Teflon coaxial antenna extension kit engineered for mobile ham radio setups. It features a right-angle SO-239 antenna base connector and a PL-259 male radio connector, ideal for mobile installs where space, flexibility, and performance matter. The cable is split into a 0.5-meter ultra-thin section for easy vehicle threading, and a 4.5-meter low-loss thicker segment for maximum signal integrity inside the car.
The detachable connector design makes cable routing easier during installation.

A 4.5-meter low-loss coaxial cable with a PL-259 connector ensures reliable signal transmission to your radio.

The 0.5-meter flexible cable section allows for smooth routing through tight vehicle spaces.
Built with waterproof and corrosion-resistant materials for long-lasting durability.

This antenna cable solution combines performance, durability, and flexibility — making it an ideal choice for both amateur and professional use. Built to deliver consistent performance, it’s a dependable component for any communication setup.
Specification
Total Cable Length | 5 meters |
Exterior Routing | 0.5m slim coax |
Internal Cabling | 4.5m thicker low-loss coax |
Antenna Connector | SO-239 (UHF Female, right-angle, for antenna mount) |
Radio Connector | PL-259 (UHF Male) |
Cable Material | Silver-plated, double-shielded Teflon coax |
Mid-Cable Connector | Detachable threaded coupling |
Impedance | 50 Ohms |
Waterproof Cap | Included |
Application | Mobile ham radios (VHF/UHF), car roof installations |
Part List
1 × CNTOU S510MM 5M Antenna Extension Cable
1 × Waterproof dust cap
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