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Davis RF RG-58U Coax – 50 Ohm Flexible Coaxial Cable for Low to Mid Power RF Applications

Davis RF RG-58 coax is a 50 Ohm flexible coaxial cable ideal for short runs, test equipment, and lower power RF systems. It is lightweight and easy to work with, making it a preferred option for mobile installations, patch cables, and general-purpose RF connectivity.

Why Choose Davis RF RG-58U Coax?

  • ✅ Compact and Flexible – Easily routed in tight spaces and ideal for mobile setups
  • ✅ Standard 50 Ohm Impedance – Compatible with most RF connectors and systems
  • ✅ Lightweight Construction – Great for portable or temporary RF applications
  • ✅ Reliable Shielding – Protects against interference and signal degradation

Common Applications

  • ✅ Mobile ham radio and CB installations
  • ✅ Test leads and RF bench equipment
  • ✅ Low-power HF/VHF/UHF systems
  • ✅ Interconnects for antennas and devices

Specifications

  • ✅ Impedance: 50 Ohms
  • ✅ Center Conductor: Stranded tinned copper
  • ✅ Dielectric: Solid polyethylene
  • ✅ Shielding: 95% tinned copper braid
  • ✅ Outer Jacket: PVC or polyethylene (PE) options available
  • ✅ Outer Diameter: ~0.195" (4.95 mm)
  • ✅ Attenuation @ 100 MHz: ~4.9 dB/100 ft
  • ✅ Frequency Range: DC to 1 GHz

Davis RF RG-58 is a dependable choice for lower power RF applications where size, flexibility, and ease of termination are important. Perfect for both amateur and commercial use.

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Davis RF RG-58 CU - "Sold By The Foot"
Our price: $0.51
Sale Price: $0.49
Savings: $0.02
Davis RF RG-58 CU - 50 OHM Coax 25 FT
Our price: $12.75
Sale Price: $12.16
Savings: $0.59
Davis RF RG-58 CU - 50 OHM Coax 50 FT
Our price: $25.50
Sale Price: $24.31
Savings: $1.19
Davis RF RG-58 CU - 50 OHM Coax 75 FT
Our price: $38.25
Sale Price: $36.47
Savings: $1.78
RG-58 - 50 ohm, , "Sold By The Foot" Just enter the total number of feet needed in the Qty Box RG-58 - 50 ohm, Black PVC .195" Jacket, Polyethylene Dielectric, #20 Stranded, tinned copper Conductor, 96% tinned copper braid Shield, 66% Velocity of Propagation, and a Capacitance of 30.5 pf/ft RG-58 - 50 ohm, Black PVC .195" Jacket, Polyethylene Dielectric, #20 Stranded, tinned copper Conductor, 96% tinned copper braid Shield, 66% Velocity of Propagation, and a Capacitance of 30.5 pf/ft RG-58 - 50 ohm, Black PVC .195" Jacket, Polyethylene Dielectric, #20 Stranded, tinned copper Conductor, 96% tinned copper braid Shield, 66% Velocity of Propagation, and a Capacitance of 30.5 pf/ft
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Davis RF RG-58 CU Coax – 100 FT
Our price: $51.00
Sale Price: $48.62
Savings: $2.38

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Davis RF RG-58 CU - 50 OHM Coax 125 FT
Our price: $63.75
Sale Price: $60.78
Savings: $2.97
Davis RF RG-58 CU - 50 OHM Coax 150 FT
Our price: $76.50
Sale Price: $72.93
Savings: $3.57
Davis RF RG-58 CU - 50 OHM Coax 175 FT
Our price: $89.25
Sale Price: $85.09
Savings: $4.16
RG-58 - 50 ohm, Black PVC .195" Jacket, Polyethylene Dielectric, #20 Stranded, tinned copper Conductor, 96% tinned copper braid Shield, 66% Velocity of Propagation, and a Capacitance of 30.5 pf/ft RG-58 - 50 ohm, Black PVC .195" Jacket, Polyethylene Dielectric, #20 Stranded, tinned copper Conductor, 96% tinned copper braid Shield, 66% Velocity of Propagation, and a Capacitance of 30.5 pf/ft RG-58 - 50 ohm, Black PVC .195" Jacket, Polyethylene Dielectric, #20 Stranded, tinned copper Conductor, 96% tinned copper braid Shield, 66% Velocity of Propagation, and a Capacitance of 30.5 pf/ft RG-58 - 50 ohm, Black PVC .195" Jacket, Polyethylene Dielectric, #20 Stranded, tinned copper Conductor, 96% tinned copper braid Shield, 66% Velocity of Propagation, and a Capacitance of 30.5 pf/ft
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Davis RF RG-58 CU - 50 OHM Coax 200 FT
Our price: $102.00
Sale Price: $97.24
Savings: $4.76
Davis RF RG-58 CU - 50 OHM Coax 250 FT
Our price: $127.50
Sale Price: $121.55
Savings: $5.95
Davis RF RG-58CU - 50 OHM Coax 350 FT
Our price: $178.50
Sale Price: $170.17
Savings: $8.33
Davis RF RG-58 CU - 50 OHM Coax 450 FT
Our price: $229.50
Sale Price: $218.79
Savings: $10.71
RG-58 - 50 ohm, Black PVC .195" Jacket, Polyethylene Dielectric, #20 Stranded, tinned copper Conductor, 96% tinned copper braid Shield, 66% Velocity of Propagation, and a Capacitance of 30.5 pf/ft RG-58 - 50 ohm, Black PVC .195" Jacket, Polyethylene Dielectric, #20 Stranded, tinned copper Conductor, 96% tinned copper braid Shield, 66% Velocity of Propagation, and a Capacitance of 30.5 pf/ft RG-58 - 50 ohm, Black PVC .195" Jacket, Polyethylene Dielectric, #20 Stranded, tinned copper Conductor, 96% tinned copper braid Shield, 66% Velocity of Propagation, and a Capacitance of 30.5 pf/ft RG-58 - 50 ohm, Black PVC .195" Jacket, Polyethylene Dielectric, #20 Stranded, tinned copper Conductor, 96% tinned copper braid Shield, 66% Velocity of Propagation, and a Capacitance of 30.5 pf/ft
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Davis RF RG-58 CU - 50 OHM Coax 500 FT
Our price: $255.00
Sale Price: $243.10
Savings: $11.90
Davis RF RG-58 CU - 50 OHM Coax 650 FT
Our price: $331.50
Sale Price: $316.03
Savings: $15.47
Davis RF RG-58 CU - 50 OHM Coax 750 FT
Our price: $382.50
Sale Price: $364.65
Savings: $17.85
Davis RF RG-58 CU - 50 OHM Coax 1000 FT
Our price: $510.00
Sale Price: $493.00
Savings: $17.00
RG-58 - 50 ohm, Black PVC .195" Jacket, Polyethylene Dielectric, #20 Stranded, tinned copper Conductor, 96% tinned copper braid Shield, 66% Velocity of Propagation, and a Capacitance of 30.5 pf/ft RG-58 - 50 ohm, Black PVC .195" Jacket, Polyethylene Dielectric, #20 Stranded, tinned copper Conductor, 96% tinned copper braid Shield, 66% Velocity of Propagation, and a Capacitance of 30.5 pf/ft RG-58 - 50 ohm, Black PVC .195" Jacket, Polyethylene Dielectric, #20 Stranded, tinned copper Conductor, 96% tinned copper braid Shield, 66% Velocity of Propagation, and a Capacitance of 30.5 pf/ft RG-58 - 50 ohm, Black PVC .195" Jacket, Polyethylene Dielectric, #20 Stranded, tinned copper Conductor, 96% tinned copper braid Shield, 66% Velocity of Propagation, and a Capacitance of 30.5 pf/ft