LMR240 LMR-240 is a Registered Trademark of Times Microwave Systems - This Is Genuine LMR-240 * PL-259 UHF coax cable connectors - Connects Antennas, Receivers, Meters and Radio transmitters * 50 feet of coaxial cable USA Made LMR-240 Transmission Line Coaxial Cable with Soldered-Center Silver Plated Connectors Teflon Dielectrics * Assembled by MPD Digital in our GA production facility using MILSPEC componants * Impedance 50 Ohms Frequency Range DC ~ 6 GHz - PL-259 Connectors are not recomended for use above 300Mhz (See N Male options)