Co-axial cable - RG174A/U (with or without BNC / PL259 / SMA connectors fitted)

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Co-axial cable - RG174A/U (with various fitted connector options)

Miniature 50 Ohm coaxial cable. 3m (9ft 10") 5m (16ft 5"), 10m (32ft 9"), 15m (49ft 2.5") and 20m (65ft 7")

We have pre-made 0.8m patch cables, just search Patch. We can make cables to any length just email us

Recommended maximum power: 125 Watts.

BNC plug / socket, PL-259, SMA male connectors can be professionally fitted on one or both ends (great for antenna experimenters). Connector protected with epoxy filled heat-shrink sleeving for improved water resistance.

A top quality MIL-spec cable with a stranded inner. Perfect for feeding lightweight HF antennas!

Impedance:- 50Ω ±3
Outer sheath:- PVC
Inner conductor:-  7/0.16
Dielectric:-  Solid Polyethylene
Outer diameter:- 2.8mm nominal
Velocity factor: 0.66
CPR Class :-   F

 Attenuation nominal



db /m 
1 MHz 0.008 0.025
10 MHz 0.025  0.082
50 MHz 0.059  0.192
100 Mhz 0.086 0.281

36 Reviews Hide Reviews Show Reviews

  • 5

    Posted by Tim Scrimshaw on 23rd May 2019

    Very handy to have this professionally-assembled cable to hand in my portable kit. Thanks!

  • 5

    Posted by Donald ON7QR on 12th May 2019


  • 5
    Good flexible cable

    Posted by Carlo on 7th Apr 2019

    A good cable for my QRP activity, easy to bend and pass through obstacles, light weight, good for portable activity.

  • 5

    Posted by William on 24th Mar 2019

    Great light weight feeder for portable use and for home brew dipole ants.

  • 5
    Good light cable

    Posted by Carlo Morandi on 8th Mar 2019

    I like this cable, very good for QRP, flexible, light and easy to bend. Thin, it passes easily through tight passes. Not heavy losses in signal.

  • 5
    Good light cable

    Posted by Carlo Morandi on 7th Mar 2019

    Light weight, flexible, not a big loss. Useful in portable operations, I like it because it is easy to fit everywhere with a great bending radius and a very low weight

  • 5
    RG174 coaxial cable

    Posted by Alan Webb on 27th Jan 2019

    Purchased this coax cable because it’s lightweight of good quality and is good for around 100w. 10m length is ideal to put in your backpack it doesn’t take much room up on a winder (also purchased from Sotabeams) so keeps your back pack tidy and light . Ideal for Sota/portable operations. Highly Recommended.

  • 5

    Posted by Alan on 2nd Dec 2018

    Excellent cable

  • 5

    Posted by Alan on 24th Nov 2018

    Excellent cables from sotabeams

  • 5

    Posted by Jason on 30th May 2018

    Absolutely as expected, decent quality RG174 and a neatly terminated BNC. All good, if not exciting!