75ohm RG6 Quad - Shield Coaxial Cable for Video Antenna & Satellite TV Applications

RG6 Quad Shield Coaxial Cable: Technical Data
RG6 Quad Shield is a premium version of standard RG6 coaxial cable featuring enhanced shielding for superior signal protection in challenging electromagnetic environments. Here's a comprehensive technical breakdown.
Quick-Reference Technical Specifications
Parameter | RG6 Quad Shield Specification |
|---|
Impedance | 75 ohms (±3 ohms) |
Center Conductor | 18 AWG Copper-Clad Steel (CCS) or Solid Copper |
Dielectric | Foam Polyethylene (PE) |
Shielding | Quad Shield: Aluminum Foil + Braid + Foil + Braid |
Shielding Effectiveness | >100 dB (typically 105-110 dB) |
Outer Diameter | 0.275' (6.9 mm) |
Velocity of Propagation | 82-85% |
Capacitance | 17-20 pF/ft (56-66 pF/m) |
Max. Operating Voltage | 1,500-3,000 V RMS |
Temperature Range | -40°C to +80°C |
1. Electrical Specifications
Attenuation (Signal Loss per 100 ft / 30.5 m)
Lower values indicate better performance.
Frequency | Typical Attenuation | Notes |
|---|
5 MHz | 0.5-0.7 dB | VHF Low Band |
50 MHz | 1.2-1.5 dB | FM Radio, VHF TV |
100 MHz | 1.7-2.0 dB |
|
200 MHz | 2.5-3.0 dB |
|
400 MHz | 3.8-4.5 dB |
|
550 MHz | 4.5-5.5 dB | Traditional Cable TV |
750 MHz | 5.5-6.5 dB |
|
900 MHz | 6.2-7.5 dB |
|
1000 MHz | 6.7-8.0 dB | DOCSIS 3.0 |
1218 MHz | 7.8-9.5 dB | MoCA 2.5 Extended |
1794 MHz | 10.5-12.5 dB | DOCSIS 4.0, MoCA 2.5 |
Frequency Response
Usable Frequency Range: 0-3,000 MHz
- Optimal Range: 5-1794 MHz (Standard broadband applications)
- Return Loss: >20 dB (typical) across operating range
Velocity Factor & Delay
- Velocity of Propagation: 82-85% (0.82-0.85)
- Delay: 1.18-1.22 ns/ft (3.87-4.00 ns/m)
- Wavelength at 100 MHz: 8.0 ft (2.44 m) in cable
2. Physical Construction (Layer by Layer)
Standard Quad Shield Construction:
Center Conductor:
Material: Copper-Clad Steel (CCS) or Solid Copper
Diameter: 18 AWG (1.024 mm)
DC Resistance: 6.4 Ω/1000 ft (CCS), 6.0 Ω/1000 ft (Copper)
Dielectric:
Material: Foam Polyethylene (PE)
Dielectric Constant (εᵣ): 1.45-1.55
Diameter: 0.185' (4.7 mm)
Type: Closed-cell foam for moisture resistance
First Shield (Inner):
Type: Aluminum-Polyester Laminate (100% coverage)
Thickness: 0.0005' aluminum + 0.00035' polyester
Function: Primary barrier against high-frequency interference
Second Shield:
Type: 60-80% Aluminum Braid
Braid Angle: 45-55°
Wire Count: 16-24 AWG aluminum wires
Function: Structural support and medium-frequency shielding
Third Shield:
- Type: Aluminum-Polyester Laminate (100% coverage)
- Function: Additional high-frequency protection
Fourth Shield (Outer):
- Type: 60-80% Aluminum Braid
- Braid Angle: 45-55°
- Function: Primary low-frequency shielding, mechanical protection
Jacket:
- Material: PVC (Indoor) or UV-resistant PE (Outdoor)
- Thickness: 0.025-0.035' (0.64-0.89 mm)
- Color: Typically black; may be white, gray, or other colors
- Markings: Printed with manufacturer, type, and compliance info
3. Shielding Performance Metrics
Shielding Effectiveness Comparison:
Shield Type | Effectiveness | Attenuation of External Signals |
|---|
Single Shield | 60-80 dB | Good |
Dual Shield | 80-95 dB | Better |
Tri-Shield | 95-105 dB | Excellent |
Quad Shield | 105-110+ dB | Exceptional |
Shielding Performance by Frequency:
- LF (1-10 MHz): 90-100 dB rejection
- MF (10-100 MHz): 100-105 dB rejection
- HF (100-1000 MHz): 105-110 dB rejection
- UHF (1-3 GHz): 100-105 dB rejection
4. Mechanical & Environmental Specifications
Physical Properties:
- Overall Diameter: 0.270-0.280' (6.86-7.11 mm)
- Weight: 30-40 lbs/1000 ft (45-60 kg/km)
- Minimum Bend Radius:
- Maximum Pull Tension: 50-70 lbs (22-32 kg)
- Crush Resistance: 100-150 lbs/inch width
Environmental Ratings:
- Operating Temperature: -40°C to +80°C
- Storage Temperature: -50°C to +85°C
- Flame Rating: CM/CMG (Riser), CMP (Plenum) versions available
- UV Resistance: 1000+ hours (UV-rated versions)
- Water Resistance: Moisture-resistant (flooded dielectric available)
- Direct Burial Rating: Available with flooded dielectric and armor
5. Connector Compatibility & Installation
Connector Types:
- Standard: Compression F-connectors (RG6 type)
- Crimp: Requires RG6 hex crimp connectors
- Screw-on: Compatible with most screw-on F-connectors
- Adapter Compatibility: BNC, RCA, F81, etc.
Installation Notes:
- Strip Dimensions:
- Tool Requirements:
6. Performance Comparison: Quad Shield vs. Dual Shield
Parameter | RG6 Dual Shield | RG6 Quad Shield | Improvement |
|---|
Shielding Effectiveness | 80-95 dB | 105-110+ dB | 20-25% better |
Signal Leakage | Moderate | Minimal | Critical for MDU |
EMI/RFI Rejection | Good | Excellent | 10-15 dB better |
Moisture Protection | Standard | Enhanced (additional layers) | Better |
Durability | Good | Excellent | More crush resistant |
Price | $ | $$ | 20-40% more |
7. Applications & Use Cases
Primary Applications:
- Digital Cable TV (DOCSIS 3.0/3.1/4.0)
- Satellite TV (DISH, DirecTV)
- Broadband Internet (Cable modems)
- MoCA Networks (Home networking)
- HDTV Antenna Distribution
- CCTV/Security Systems
- Professional A/V Installations
Where Quad Shield is Recommended:
- High-Interference Environments: Apartments, urban areas, near broadcast towers
- Multiple Signal Sources: Homes with cable, satellite, OTA, and MoCA
- Long Cable Runs: >100 ft installations
- Critical Applications: Medical, broadcast, government
- MoCA Networks: Where signal containment is critical
- MDUs/Apartments: Preventing signal leakage between units
Package and Shipment



FAQS:
Q1: Are you a factory or trading company?
A1: We are a manufacturer.
Q2: Where is your factory located? How can I visit there?
A2:Our factory are located in jieyang city. You can fly to Shenzhen or Guangzhou international airport. And tell us your flight No. We will arrange to pick you up.
Q3: How can I get a sample to test your quality?
A3:We can provide free samples for your test and checking, you just need to bear the freight charge.
Q4:What payment method do you accept?
A4:T/T(Bank transfer), Western Union, Money Gram, Paypal, etc.
Q5: Can you put my brand name (logo) on these products?
A5: Yes! The professional OEM services will be welcomed to us. Our factory accepts to make the logo free for bulk orders.
Q6: May I know the status of my order?
A6: Yes .The order information and photos at different production stage of your order will be sent to you and the information will be updated in time.
Q7: What’s the leading time? (How long do you need to prepare my goods?
A7: Delivery (no more than 1000pcs) will be arranged within 10-15 days after payment, and arrive you within about 1 month via sea shipping.
Q8: How will you deliver my goods to me?
A8 Your purchases will be delivered by DHL, UPS, FedEx, TNT, EMS your door. Air Cargo and Sea Cargo, Direct line, Air Mail also be accepted according to clients' request.
Q9: Can you provide us more other products to us to help us to save more shipping costs?
A9: Yes. There’re kinds of Indoor Cables, Outdoor Cables, Coaxial Cables, Telephone Cables, Fiber Optic Cables and Accessories will be the main products line of Factory.
The OEM bulk order will be accept as well.