Feature
Solid-Core RG58
Stranded-Core RG58
Conductor
Single solid copper
Multi-strand copper
High-Freq Loss
Lower
Slightly higher
Flexibility
Poor (fixed installs)
Excellent (mobile use)
Vibration Resistance
Weak
Strong
Best For
Antenna feeds, base stations
Mobile radios, test leads
Stranded-Core RG58 coaxial cable construction: Uses multiple thin copper strands (e.g., 7×0.12mm or 19×0.08mm) twisted together to match the cross-section of solid-core versions.
Fixed antenna installations
Long(er)-distance RF links (though RG58’s attenuation limits very long runs).