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Davis RF RG-213 Coaxial Cable is a high-quality coax cable commonly used in radio frequency applications, including amateur radio, CB radio, and other RF communication systems. Here are the general specifications and attenuation details:

Specifications

  1. Cable Type: RG-213/U
  2. Impedance: 50 ohms
  3. Inner Conductor:
    • Material: Stranded copper
    • Diameter: ~2.26 mm (approximately 0.089 inches)
  4. Dielectric:
    • Material: Solid polyethylene
    • Diameter: ~7.24 mm (approximately 0.285 inches)
  5. Outer Conductor:
    • Material: Braided copper shield
    • Coverage: ~95%
  6. Outer Jacket:
    • Material: Non-contaminating, UV-resistant PVC
    • Diameter: ~10.3 mm (approximately 0.405 inches)
  7. Operating Frequency: Up to 1 GHz (can vary slightly depending on the manufacturer)
  8. Maximum Voltage Rating: ~5,000 volts RMS

Attenuation (Signal Loss)

Attenuation values can vary slightly depending on the manufacturer, but here is an approximate range:

Frequency (MHz)Attenuation (dB/100 feet)
10.2
100.65
501.5
1002.2
4005.6
9009.0

Power Handling Capability

The maximum power-handling capacity depends on the operating frequency:

Frequency (MHz)Power (Watts)
1~1,800
10~1,200
50~600
100~400
400~150
900~80

Applications

  • Amateur (HAM) Radio
  • High-power CB Radio setups
  • Antenna feedlines
  • RF signal transmission in commercial and military applications

Notes:

  • RG-213 has lower attenuation than RG-58 and RG-8X but is thicker and heavier.
  • The non-contaminating jacket makes Davis RF RG-213 suitable for outdoor installations where UV resistance and weatherproofing are critical.
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Davis RF RG-213 - 50 OHM Coax 75 FT
Our price: $111.35
Sale Price: $108.35
Savings: $3.00

(1)
Davis RF RG-213 - 50 OHM Coax 750 FT
Our price: $1,113.52
Sale Price: $1,103.53
Savings: $9.99
Davis RF RG-213 - 50 OHM Coax 50 FT
Our price: $74.24
Sale Price: $72.24
Savings: $2.00

(2)
RG-213 - 50 ohm, , "Sold By The Foot" Just enter the total number of feet needed in the Qty Box RG-213 - 50 OHM, PVC-IIA C-17 Mil Spec Non-Contaminating .405" Jacket, PE Dielectric, #12 Stranded Conductor, 96% braid Shield, 66% Velocity of Propagation and a Capacitance of 30.8 pf/ft RG-213 - 50 OHM, PVC-IIA C-17 Mil Spec Non-Contaminating .405" Jacket, PE Dielectric, #12 Stranded Conductor, 96% braid Shield, 66% Velocity of Propagation and a Capacitance of 30.8 pf/ft RG-213 - 50 OHM, PVC-IIA C-17 Mil Spec Non-Contaminating .405" Jacket, PE Dielectric, #12 Stranded Conductor, 96% braid Shield, 66% Velocity of Propagation and a Capacitance of 30.8 pf/ft
Davis RF RG-213 Coax Davis RF RG-213 Coax Davis RF RG-213 Coax Davis RF RG-213 Coax
Davis RF RG-213 - 50 OHM Coax 500 FT
Our price: $742.35
Sale Price: $734.35
Savings: $8.00
Davis RF RG-213 - 50 OHM Coax 250 FT
Our price: $371.18
Sale Price: $364.18
Savings: $7.00

(2)
RG-213 - 50 OHM, PVC-IIA C-17 Mil Spec Non-Contaminating .405" Jacket, PE Dielectric, #12 Stranded Conductor, 96% braid Shield, 66% Velocity of Propagation and a Capacitance of 30.8 pf/ft RG-213 - 50 OHM, PVC-IIA C-17 Mil Spec Non-Contaminating .405" Jacket, PE Dielectric, #12 Stranded Conductor, 96% braid Shield, 66% Velocity of Propagation and a Capacitance of 30.8 pf/ft RG-213 - 50 OHM, PVC-IIA C-17 Mil Spec Non-Contaminating .405" Jacket, PE Dielectric, #12 Stranded Conductor, 96% braid Shield, 66% Velocity of Propagation and a Capacitance of 30.8 pf/ft RG-213 - 50 OHM, PVC-IIA C-17 Mil Spec Non-Contaminating .405" Jacket, PE Dielectric, #12 Stranded Conductor, 96% braid Shield, 66% Velocity of Propagation and a Capacitance of 30.8 pf/ft
Davis RF RG-213 Coax Davis RF RG-213 Coax Davis RF RG-213 Coax Davis RF RG-213 Coax
Davis RF RG-213 - 50 OHM Coax 150 FT
Our price: $222.71
Sale Price: $217.71
Savings: $5.00

(1)
Davis RF RG-213 - 50 OHM Coax 125 FT
Our price: $185.59
Sale Price: $180.59
Savings: $5.00
Davis RF RG-213 - 50 OHM Coax 100 FT
Our price: $148.47
Sale Price: $145.47
Savings: $3.00

(1)
RG-213 - 50 OHM, PVC-IIA C-17 Mil Spec Non-Contaminating .405" Jacket, PE Dielectric, #12 Stranded Conductor, 96% braid Shield, 66% Velocity of Propagation and a Capacitance of 30.8 pf/ft RG-213 - 50 OHM, PVC-IIA C-17 Mil Spec Non-Contaminating .405" Jacket, PE Dielectric, #12 Stranded Conductor, 96% braid Shield, 66% Velocity of Propagation and a Capacitance of 30.8 pf/ft RG-213 - 50 OHM, PVC-IIA C-17 Mil Spec Non-Contaminating .405" Jacket, PE Dielectric, #12 Stranded Conductor, 96% braid Shield, 66% Velocity of Propagation and a Capacitance of 30.8 pf/ft RG-213 - 50 OHM, PVC-IIA C-17 Mil Spec Non-Contaminating .405" Jacket, PE Dielectric, #12 Stranded Conductor, 96% braid Shield, 66% Velocity of Propagation and a Capacitance of 30.8 pf/ft
Davis RF RG-213 Coax
Davis RF RG-213 - 50 OHM Coax 1000 FT.
Our price: $1,484.70
Sale Price: $1,469.70
Savings: $15.00
RG-213 - 50 OHM, PVC-IIA C-17 Mil Spec Non-Contaminating .405" Jacket, PE Dielectric, #12 Stranded Conductor, 96% braid Shield, 66% Velocity of Propagation and a Capacitance of 30.8 pf/ft
   
 
Non-contaminating Jacket - There are no plasticizers in the outer jacket that can migrate into the dielectric interfearing with the electrical characteristics.