RG-174 (often written RG174) is a simple, low cost coaxial cable, with a 2.79 mm outer diameter and maximum operating frequency of 1 to 2 GHz depending on manufacturer variation. The cable was popular during early advancement of modern wireless communications, and still remains useable for simple RF applications.
![RG174 coaxial cable layers](/sites/default/files/styles/scale_square/public/2024-02/RG174-coaxial-cable-layers.png.webp?itok=lqe72HDt)
RF Specification
Min. Frequency
0 GHz
Max. Frequency
2 GHz
Shielding Effectiveness
> 40 dB
Capacitance
101.05 pF/m
Impedance
50 Ω
Velocity
66%
Attenuation Table
Frequency | Attenuation | Power (CW) |
---|---|---|
1000 MHz
|
0.97 dB/m
|
Physical Specification
Colour
Black
Min. Bend Radius Static
28 mm
Weight (g/m)
13 g
Cable Layers
Layer | Diameter | Materials | Notes |
---|---|---|---|
Inner Conductor
|
0.48 mm
|
7x0.17 mm Strand
|
|
Dielectric
|
1.52 mm
|
||
Outer Conductor
|
1.90 mm
|
||
Outer Jacket
|
2.79 mm
|