LMR-300 / 5D-FB Coaxial Cable – Low-Loss RF Cable for Wireless and RF Applications

The LMR-300 / 5D-FB Coaxial Cable from Wassalat offers an excellent balance of flexibility, low attenuation, and high shielding effectiveness. Designed for RF and wireless communication systems, it’s perfect for longer cable runs where signal loss must be minimized. Compatible with various connectors (N-type, SMA, BNC, etc.), this cable is widely used in antenna installations, cellular systems, Wi-Fi, and amateur radio. Its solid polyethylene foam dielectric and bonded foil shielding deliver superb electrical performance.

Key Features

• Equivalent to LMR-300 and 5D-FB cable standards

• Low signal loss over long distances

• 50 Ohm characteristic impedance for RF systems

• Solid polyethylene foam dielectric for low attenuation

• Double-shielded with bonded aluminum foil and tinned copper braid

• UV-resistant and durable outer jacket for indoor or outdoor use

• Suitable for frequencies up to 6 GHz

• Compatible with various RF connectors

Specifications

• Impedance: 50 Ohm

• Outer Diameter: Approx. 7.7 mm (varies slightly between LMR-300 and 5D-FB)

• Center Conductor: Solid copper or copper-clad aluminum

• Dielectric: Foamed polyethylene

• Shielding: Aluminum foil + tinned copper braid (coverage > 90%)

• Jacket Material: UV-resistant black PE or PVC

• Attenuation @ 1000 MHz: ~10.3 dB / 100 m (typical)

• Operating Temperature: -40°C to +85°C

• Minimum Bend Radius: Approx. 50 mm

• Standards: RoHS compliant

Compatible Applications

• Antenna feedlines for cellular and Wi-Fi systems

• Wireless broadband installations

• RF communication systems

• Amateur radio (ham radio) coaxial runs

• CCTV and RF video distribution

• Test equipment and lab use