Messi and Paoloni Hyperflex 13 – 50 Ω Coaxial Cable (Per Meter) The Messi and Paoloni Hyperflex 13 is a high-performance 50 Ω coaxial cable designed for demanding amateur radio installations where very low signal loss and excellent flexibility are required. As a large-diameter flexible feedline, Hyperflex 13 is ideal for high-power base stations and serious amateur radio setups. Engineered for reliable RF performance across HF, VHF and UHF bands, Hyperflex 13 offers performance comparable to traditional very low-loss coaxial cables while remaining easier to route and handle. Its construction makes it well suited to permanent and semi-permanent installations. Hyperflex 13 is particularly popular for base stations, contest stations and installations where maximum performance and flexibility are both important. Available either cut to length per metre or supplied as a 100 metre drum, allowing you to choose the option that best suits your station or installation requirements. Key Features Large-diameter 50 Ω coaxial cable for very low signal loss Designed for high-power and high-performance radio installations Excellent flexibility for a cable of this size Suitable for HF, VHF and UHF amateur radio applications Ideal for base station and contest use Available per metre or as a 100 metre drum Ideal For High-power HF, VHF and UHF base station antenna systems Contest stations and serious amateur radio installations Applications requiring very low-loss coaxial cable with improved handling When maximum performance matters, the Messi and Paoloni Hyperflex 13 delivers a 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. 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