The 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- Cable Type: RG-213/U
- Impedance: 50 ohms
- Inner Conductor:
- Material: Stranded copper
- Diameter: ~2.26 mm (approximately 0.089 inches)
- Dielectric:
- Material: Solid polyethylene
- Diameter: ~7.24 mm (approximately 0.285 inches)
- Outer Conductor:
- Material: Braided copper shield
- Coverage: ~95%
- Outer Jacket:
- Material: Non-contaminating, UV-resistant PVC
- Diameter: ~10.3 mm (approximately 0.405 inches)
- Operating Frequency: Up to 1 GHz (can vary slightly depending on the manufacturer)
- 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) |
|---|
| 1 | 0.2 | | 10 | 0.65 | | 50 | 1.5 | | 100 | 2.2 | | 400 | 5.6 | | 900 | 9.0 |
Power Handling CapabilityThe 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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