Phonetone 15 meters 50-3 Coaxial Cable RG58 Extension Cable N female to n male end 49.2 Feet Works With All Phonetone (or another suppliers')In-Building Amplifiers Equipped With N Connectors Connects Amplifier To Splitter, Tap, Indoor Or Outdoor Antennas connector type :N male to N female cable length :15 meters cable type : 50-3 Coaxial Cable