Tejat LMR-240 (4D-FB) low-loss RF coaxial cable adopts foamed polyethylene insulation layer and double shielding structure (aluminum foil + tinned copper braided mesh), characteristic impedance 50Ω, operating frequency coverage 0-6GHz, attenuation value as low as 4.7dB/30m@2GHz, suitable for high-precision signal transmission scenarios such as 5G base stations, satellite communications, wireless monitoring, etc.