Description
Product Overview
The Eightwood satellite radio extension cable is engineered for reliable, low‑loss signal transmission. Constructed with RG174 coaxial material, the 20‑foot length (610 cm) offers flexibility for various vehicle installations. It uses a male SMB connector on one end and a female SMB on the other, providing a secure, gender‑matched link between the Sirius XM receiver tuner and the antenna. The cable is rated at 50 ohms impedance, ensuring optimal compatibility with standard satellite radio systems.
Usage
Designed for automotive, marine, RV, and commercial applications, this cable fits seamlessly in cars, trucks, boats, motorcycles, ATVs and UTVs. Whether you are upgrading a factory antenna or adding an aftermarket system, the cable’s durable jacket withstands indoor and outdoor conditions. 
Why Choose Us
Eightwood delivers OEM‑spec quality with rigorous testing for low loss and signal integrity. The cable’s connectors are precision‑molded to prevent corrosion and maintain a tight seal, reducing signal degradation over time. Backed by a reputable manufacturer, the product meets industry standards for durability and performance, giving you confidence in long‑term use.
Key Features
- 20 ft (610 cm) RG174 coaxial cable for flexible routing
- SMB male‑to‑female connectors ensure a secure, low‑loss connection
- 50 ohm impedance matches Sirius XM receiver specifications
- Durable black jacket suitable for indoor and outdoor environments
- Compatible with cars, trucks, RVs, boats, motorcycles, ATVs and commercial vehicles
FAQ
What type of connector does this cable use?
The cable features an SMB male connector on one end and an SMB female connector on the other, providing a standard low‑loss interface for satellite radio systems.
Can I use this cable for marine applications?
Yes, the cable’s jacket is rated for outdoor use and can be installed on boats and other marine vehicles, provided it is protected from direct water exposure.
Is this cable compatible with all Sirius XM receivers?
The 50 ohm impedance and SMB connector type are standard for most Sirius XM receivers, making it compatible with both factory and aftermarket tuners.
How does the low‑loss design benefit my radio signal?
Low‑loss construction minimizes signal attenuation over the 20‑foot length, ensuring clearer audio and more reliable reception, especially in challenging signal areas.
What is the warranty on this product?
Eightwood offers a one‑year limited warranty covering manufacturing defects, giving you peace of mind for your purchase.




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