Description
RG-59 Alloy is a specialized variant of the standard RG-59 cable, designed to provide reliable 75 Ohm performance while prioritizing weight reduction and affordability. This version utilizes a high-strength Aluminum Alloy braid for shielding instead of traditional copper, offering effective protection against electromagnetic interference (EMI) at a lower price point. It is ideally suited for applications where the extreme bandwidth of RG-6 is not required, such as analog video monitoring and short-to-medium length digital runs.
The cable features a 20 AWG to 22 AWG center conductor (typically copper-clad steel or copper-clad aluminum) surrounded by a foam polyethylene dielectric. This construction ensures consistent signal timing and minimizes reflections for video signals. Housed in a flexible, easy-to-strip PVC jacket, the RG-59 Alloy cable is highly maneuverable, making it a favorite for installers routing cable through tight conduit or interior wall spaces. It is most commonly terminated with BNC or F-type compression and crimp connectors.
Key Technical Advantages
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Cost-Efficient Video Solution: Provides a budget-friendly alternative for large-scale security camera deployments and basic residential video cabling.
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Lightweight Construction: The alloy shielding reduces the physical weight of the cable, easing the strain on cable trays and making it ideal for portable video equipment.
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High Flexibility: Designed for easy routing, the cable’s smaller diameter and flexible jacket allow for tight turns and clean installations in confined areas.
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Effective Interference Protection: The alloy braid provides sufficient shielding for standard video frequencies, maintaining a clear signal in typical residential and commercial environments.
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75 Ohm Impedance Matched: Specifically tuned for standard video equipment, televisions, and security monitors to prevent signal ghosting and loss.
Key Features
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Cable Type: RG-59 / U Alloy Coaxial.
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Impedance: 75 Ohm.
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Center Conductor: 20 AWG or 22 AWG (Typically Copper-Clad Steel).
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Shielding: Aluminum Alloy Braid (High-coverage).
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Jacket Materials: Flexible PVC (Standard) or CM-rated for in-wall use.
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Common Applications: Analog CCTV systems, Composite/Component video, RF signal distribution for older televisions, and security system backbone wiring.
Technical Summary
| Parameter | Specification (Typical) |
| Impedance | 75 ± 3 Ohm |
| Center Conductor | 20-22 AWG (~0.64mm – 0.81mm) |
| Velocity of Propagation | 78% – 82% |
| Capacitance | ~16.5 pF/ft |
| Attenuation @ 100MHz | ~3.4 dB / 100ft |
| Operating Temp | -30°C ~ +75°C |




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