M&P - Extraflex Bury 7 Coax

Messi and Paoloni Extraflex Bury 7 – 50 Ω Coaxial Cable

The Messi and Paoloni Extraflex Bury 7 is a robust 50 Ω coaxial cable designed specifically for permanent underground and outdoor amateur radio installations. With a 7.3 mm diameter, this cable offers an excellent balance of flexibility, durability and dependable RF performance.

Engineered for reliable signal transmission across HF, VHF and UHF bands, Extraflex Bury 7 features a shielded polyethylene outer jacket that provides excellent protection against moisture, UV exposure and environmental stress. The cable is totally waterproof and suitable for direct burial without additional conduit.

Extraflex Bury 7 is ideal for installations where the feedline must be routed underground between the radio shack and antenna, offering long-term reliability in demanding conditions.

Available either cut to length per metre or supplied as a 100 metre drum, allowing you to choose the option that best suits your installation requirements.

Key Features

• 7.3 mm diameter 50 Ω coaxial cable
• Designed for underground and outdoor installations
• Shielded polyethylene outer jacket for environmental protection
• Totally waterproof and suitable for direct burial
• Suitable for HF, VHF and UHF amateur radio applications
• Available per metre or as a 100 metre drum

Ideal For

• Buried coaxial cable runs between shack and antenna
• Permanent HF, VHF and UHF antenna installations
• Outdoor installations requiring maximum weather resistance

When long-term durability and underground installation capability are essential, the Messi and Paoloni Extraflex Bury 7 provides a dependable, professional-grade coaxial solution you can rely on.

Moonraker – the Ham Radio Superstore.

Messi and Paoloni Other RF Coax Cable Solutions

Explore more Messi and Paoloni coax options below. Each cable is designed for a specific type of installation, from lightweight portable setups to low-loss base station feedlines and direct-burial outdoor runs.

• Airborne 5 – A lightweight 5 mm coax designed for outdoor use where flexibility and durability are essential.
• Hyperflex 5 – A compact, highly flexible 5.4 mm PVC jacket coax, ideal for tight routing and portable or mobile use.
• Ultraflex 7 – A popular 7.3 mm general-purpose low-loss coax with a flexible PVC jacket for fixed, portable and mobile stations.
• POTA-FLEX 7 – A rugged outdoor and portable cable in high-visibility yellow, built for repeated deployment and harsh handling.
• Extraflex Bury 7 – A 7.3 mm waterproof coax designed specifically for direct burial and underground runs.
• Airborne 10 – A heavy-duty outdoor coax for permanent installations, offering excellent durability and weather resistance.
• Broad Pro 50C LSZH – A safety-focused coax with an LSZH jacket for indoor and public installations.
• Ultraflex 10C (Competition) – A competition-grade flexible low-loss coax for high-performance base and contest stations.
• Hyperflex 10 – A large-diameter flexible coax offering low-loss performance with easier routing.
• Extraflex Bury 10 – A heavy-duty direct-burial coax for permanent underground outdoor installations.
• Hyperflex 13 – A very low-loss feedline for demanding base stations and long cable runs.