Messi & Paoloni Hyperflex 5 – 50 Ω Coaxial Cable (Per Meter) The Messi & Paoloni Hyperflex 5 is a high-performance 50 Ω coaxial cable designed for amateur radio operators who require excellent flexibility without compromising signal quality. With a 5.4 mm diameter, Hyperflex 5 is ideal for installations where tight bends and easy routing are important. Featuring a copper wire inner conductor, Hyperflex 5 provides reliable signal transmission across HF, VHF and UHF bands. The cable is finished with a durable PVC outer jacket, offering good mechanical protection for indoor use and sheltered outdoor installations. Hyperflex 5 is particularly well suited to portable, mobile and compact fixed installations where flexibility and ease of handling are a priority. Available either cut to length per metre or supplied as a 100 metre drum, allowing you to select the option that best suits your installation requirements. Key Features 5.4 mm diameter coaxial cable – highly flexible and easy to route 50 Ω impedance – suitable for amateur radio and RF applications Copper wire inner core for dependable signal performance Durable PVC outer jacket Ideal for portable, mobile and compact installations Ideal For HF, VHF and UHF amateur radio antenna installations Portable and mobile radio setups Installations requiring tight bend radius and easy handling Whether you’re building a compact station, upgrading a feedline or installing equipment in confined spaces, the Messi & Paoloni Hyperflex 5 offers a flexible, high-quality 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. Comparison (tap on the dimensions to the right to view further details) Airborne 5 5.0 mm • 9.4 dB Diameter5.0 mm Loss9.4 dB per 100 m at 100 MHz Outer JacketShielded Polyethylene Outer BraidReactive Braid Inner CoreSolid Copper 1.13 mm Hyperflex 5 5.4 mm • 8.0 dB Diameter5.4 mm Loss8.0 dB per 100 m at 100 MHz Outer JacketPVC Outer BraidReactive Braid Inner CoreCopper Wires 1.4 mm Ultraflex 7 7.3 mm • 5.8 dB Diameter7.3 mm Loss5.8 dB per 100 m at 100 MHz Outer JacketPVC Outer BraidReactive Braid Inner CoreCopper Wires 1.9 mm POTA-FLEX 7 7.65 mm • 5.8 dB Diameter7.65 mm Loss5.8 dB per 100 m at 100 MHz Outer JacketShielded Polyethylene (Yellow) Outer BraidTwin Braid Inner CoreCopper Wires 1.9 mm Extraflex Bury 7 7.3 mm • 5.8 dB Diameter7.3 mm Loss5.8 dB per 100 m at 100 MHz Outer JacketShielded Polyethylene Outer BraidReactive Braid Inner CoreCopper Wires 1.9 mm Airborne 10 10.3 mm • 3.5 dB Diameter10.3 mm Loss3.5 dB per 100 m at 100 MHz Outer JacketShielded Polyethylene Outer BraidReactive Braid Inner CoreSolid Copper 2.78 mm Broad Pro 50C LSZH 10.3 mm • 3.6 dB Diameter10.3 mm Loss3.6 dB per 100 m at 100 MHz Outer JacketLSZH Outer BraidReactive Braid Inner CoreSolid Copper 2.76 mm Ultraflex 10C 10.3 mm • 3.9 dB Diameter10.3 mm Loss3.9 dB per 100 m at 100 MHz Outer JacketPVC Outer BraidReactive Braid Inner CoreCopper Wires 2.9 mm Hyperflex 10 10.3 mm • 3.9 dB Diameter10.3 mm Loss3.9 dB per 100 m at 100 MHz Outer JacketPVC Outer BraidReactive Braid Inner CoreCopper Wires 2.9 mm Extraflex Bury 10 10.3 mm • 3.9 dB Diameter10.3 mm Loss3.9 dB per 100 m at 100 MHz Outer JacketShielded Polyethylene Outer BraidReactive Braid Inner CoreCopper Wires 2.9 mm Hyperflex 13 12.7 mm • 2.8 dB Diameter12.7 mm Loss2.8 dB per 100 m at 100 MHz Outer JacketPVC Outer BraidReactive Braid Inner CoreCopper Wires 3.8 mm Cable Diameter (mm) Loss (dB per 100 m at 100 MHz) Outer Jacket Outer Braid Inner Core Airborne 5 5.0 9.4 Shielded Polyethylene Reactive Braid Solid Copper 1.13 mm Hyperflex 5 5.4 8.0 PVC Reactive Braid Copper Wires 1.4 mm Ultraflex 7 7.3 5.8 PVC Reactive Braid Copper Wires 1.9 mm POTA-FLEX 7 7.65 5.8 Shielded Polyethylene (Yellow) Twin Braid Copper Wires 1.9 mm Extraflex Bury 7 7.3 5.8 Shielded Polyethylene Reactive Braid Copper Wires 1.9 mm Airborne 10 10.3 3.5 Shielded Polyethylene Reactive Braid Solid Copper 2.78 mm Broad Pro 50C LSZH 10.3 3.6 LSZH Reactive Braid Solid Copper 2.76 mm Ultraflex 10C 10.3 3.9 PVC Reactive Braid Copper Wires 2.9 mm Hyperflex 10 10.3 3.9 PVC Reactive Braid Copper Wires 2.9 mm Extraflex Bury 10 10.3 3.9 Shielded Polyethylene Reactive Braid Copper Wires 2.9 mm Hyperflex 13 12.7 2.8 PVC Reactive Braid Copper Wires 3.8 mm