Product Description
RG11 is a heavy-duty, low-loss 75-ohm coaxial cable designed for long-distance communication and high-bandwidth data transmission. It features a thicker center conductor and a much larger dielectric compared to the standard RG6 or RG59 cables.
This robust construction significantly reduces signal attenuation (loss), making it the ideal choice for long cable runs where maintaining signal integrity is critical. It is commonly used in backbone networks, satellite installations, and high-speed internet connections where the cable length exceeds the limits of standard RG6.
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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
RG11 requires connectors specifically sized for its larger diameter:
- 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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