What is the impedance of RG58 cable?
Daniel Rodriguez
Published Mar 19, 2026
What is the impedance of RG58 cable?
52 Ω
RG-58/U is a type of coaxial cable often used for low-power signal and RF connections. The cable has a characteristic impedance of either 50 or 52 Ω.
What does RG58 stand for?
Radio Guide
RG stands for “Radio Guide” and is a military term. The 58 class has an outer diameter of 0.195 inches, 50 to 53.5 ohms impedance, and can handle up to 500 watts of HF (High Frequency) power. RG58/U has a solid center conductor of 20 AWG bare copper. Its capacitance is 28.5 pF per foot.
What is the difference between RG58 and rg58u?
RG-58/U and RG-58A/U are the same cable, the only difference is in the centre conductor. RG-58/U has a solid core and RG-58 A/U has a stranded core.
What is the diameter of RG58?
6.15mm
Specifications: Nominal outside diameter : 6.15mm. Inner diameter : 1/0.64mm Capacitance : 68pF/m. Nominal attenuation (10m) : 1.3dB at 100MHz 1.9dB at 200MHz 4.6dB at 1000MHz.
Is RG58 a 75 ohm?
RG-58 Coaxial Cable is perhaps our most popular “gold standard” 50 Ohm Coaxial Cable product, because it provides acceptable performance for most applications at a very low price. Our next most popular is RG-174 Coaxial Cable.
What’s the difference between RG58 and RG-59?
Q: What is the difference between RG-58 and RG-59 coaxial cable? A: RG-58 is 50-ohm coaxial cable and is typically used for radio communications and thin Ethernet networks. RG-59 is 75-ohm coaxial cable for CCTV and cable TV.
What is RG58 AU?
RG58 A/U is one of the most popular Coaxial cables in systems of WiFi, Wireless LAN, GSM, Monitoring and control of network infrastructure sites, and is commonly terminated with BNC Connector, TNC Connector and SMA Connector.
What is difference between RG58 and RG59?
The difference between RG-58 and RG-59; Covering up wood splints, scratches. A: RG-58 is 50-ohm coaxial cable and is typically used for radio communications and thin Ethernet networks. RG-59 is 75-ohm coaxial cable for CCTV and cable TV.
Can I use RG6 instead of RG58?
RE: RG6 versus RG58 This shows that RG6 is good for 2x the distance of RG58. As for the maximum distance that any coax is good for, it depends upon how much loss you can tolerate and how much noise pickup will happen.
Which is better RG58 or RG6?
What is better than RG58?
RG8. RG8 is a thicker 50 ohm cable, at 12 AWG, that can provide a stronger signal than RG58. It is mainly used for amateur radio. There is also a version called RG8X, which is thinner at 16 AWG but provides similar signal quality.
What is the difference between RG58 and rg59?
The difference between RG-58 and RG-59; Covering up wood splints, scratches. A: RG-58 is 50-ohm coaxial cable and is typically used for radio communications and thin Ethernet networks. RG-59 is 75-ohm coaxial cable for CCTV and cable TV. Some also use RG-6 for video connections.