RG11 Flexible Coax Cable 75 Ohm PVC Jacket
Product Description
Key Specifications
| Parameter | Details |
|---|---|
| Impedance | 75 Ohms (Standard for Video & CATV) |
| Nominal Velocity of Propagation (VP) | 66% (Solid PE) or 80% (Foam PE) |
| Capacitance | 16-18 pF/ft (52-59 pF/m) |
| Center Conductor | Solid Copper or CCS (Copper Clad Steel), typically 14-18 AWG |
| Dielectric | Foam or Solid Polyethylene (PE) |
| Shielding | 90% - 95% Tinned Copper Braided Shield |
| Outer Jacket | PVC (Polyvinyl Chloride) |
| Max Operating Voltage | 3,000 V RMS (Peak) |
| Operating Temperature | -20°C to +80°C (Standard PVC) |
| Attenuation (Loss) | ~0.4 dB per 10 meters at 200 MHz (Low loss) |
| Weight | Approx. 10-15 kg per 100 meters (Heavier than RG6) |
Physical Characteristics
- Nominal OD (Outer Diameter): 10.3 mm (0.405 inches) — Significantly thicker than RG6 (6.9mm).
- Bending Radius: 120 mm (4.7 inches) static; 240 mm (9.4 inches) dynamic.
- Flexibility: Rigid. Due to its thick core and large diameter, RG11 is stiff and difficult to bend. It is not suitable for tight corners or tight spaces.
Common Connector Types
- F-Type (RG11 Size): The standard connector for CATV, satellite, and internet. Note: RG6 F-connectors will not fit RG11.
- BNC (RG11 Size): Used in high-end video or data backbones.
- Compression Connectors: Recommended over crimp-style for RG11 to ensure a proper seal on the thicker dielectric.
Key Features
- Low Signal Loss: The thick conductor minimizes resistance, allowing signals to travel 100-200 meters without significant degradation, whereas RG6 typically maxes out around 50-75 meters for high-quality signals.
- High Bandwidth: Capable of handling high-frequency signals required for modern digital TV, HDTV, and DOCSIS 3.1 internet modems.
- Durable Construction: The heavy gauge provides excellent physical protection against crushing and kinking.
- Interference Rejection: The thick dielectric and high-quality braid offer superior isolation from external interference.
Applications
- Long-Distance Internet: The primary use for RG11 is connecting cable modems to the ISP network over long distances (e.g., rural areas or large apartment complexes).
- Satellite TV (DBS): Used for runs from the dish to the multiswitch where signal strength is weak.
- Backbone Cabling: Used as the "main line" in a building before splitting the signal to individual rooms (where RG6 would then be used).
- CCTV Systems: For long outdoor runs between cameras and the central recorder to prevent video signal loss.
Important Note: RG11 vs. RG6
- RG6: Thinner, cheaper, easier to install. Best for runs under 50-70 meters.
- RG11: Thicker, more expensive, harder to install. Best for runs over 70 meters.
- Installation Tip: If you are running cable through walls or conduits, ensure the pathway is straight. RG11 cannot navigate sharp 90-degree turns easily and may kink, which destroys the cable's performance.
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