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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: $0.49
Sale Price: $0.49
Davis RF RG-58 CU - 50 OHM Coax 25 FT
Our price: $12.16
Sale Price: $11.90
Savings: $0.26
Davis RF RG-58 CU - 50 OHM Coax 50 FT
Our price: $24.33
Sale Price: $23.80
Savings: $0.53
Davis RF RG-58 CU - 50 OHM Coax 75 FT
Our price: $36.49
Sale Price: $35.70
Savings: $0.79
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: $48.65
Sale Price: $47.60
Savings: $1.05

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Davis RF RG-58 CU - 50 OHM Coax 125 FT
Our price: $60.81
Sale Price: $59.50
Savings: $1.31
Davis RF RG-58 CU - 50 OHM Coax 150 FT
Our price: $72.98
Sale Price: $71.40
Savings: $1.58
Davis RF RG-58 CU - 50 OHM Coax 175 FT
Our price: $85.14
Sale Price: $83.30
Savings: $1.84
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: $97.30
Sale Price: $95.20
Savings: $2.10
Davis RF RG-58 CU - 50 OHM Coax 250 FT
Our price: $121.63
Sale Price: $119.00
Savings: $2.63
Davis RF RG-58CU - 50 OHM Coax 350 FT
Our price: $170.28
Sale Price: $166.60
Savings: $3.68
Davis RF RG-58 CU - 50 OHM Coax 450 FT
Our price: $218.93
Sale Price: $214.20
Savings: $4.73
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: $243.25
Sale Price: $238.00
Savings: $5.25
Davis RF RG-58 CU - 50 OHM Coax 650 FT
Our price: $316.23
Sale Price: $309.40
Savings: $6.83
Davis RF RG-58 CU - 50 OHM Coax 750 FT
Our price: $364.88
Sale Price: $357.00
Savings: $7.88
Davis RF RG-58 CU - 50 OHM Coax 1000 FT
Our price: $486.50
Sale Price: $476.00
Savings: $10.50
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