MPD Digital PL-259-Male-Jumper-10ft LMR-400 Coaxial Cable Ham or CB Radio Antenna Coax UHF VHF HF PL-259 Male Connectors (10 ft) LMR400 LMR-400 is a Registered Trademark of MPD Digital Systems PL-259 UHF coax cable connectors - Connects Antennas, Receivers, Meters and Radio transmitters 10ft feet of coaxial cable USA Made LMR-400 Transmission Line Coaxial Cable with Soldered Silver Plated Connectors Teflon Dielectrics Ultra low loss characteristics ensure the maximum performance of your installation Impedance 50 Ohms Frequency Range DC ~ 11 GHz - PL-259 Connectors are not recomended for use above 300Mhz (See N Male options)