Lewong Low Profile Phantom Antenna SL16/UHF-J/M U/V 144/430MHz 80W 2.15/3dBi for Car Radio Mobile Station (1 Pack,Red) Gain: VHF 2.15dBi/UHF 3dBi;Max power: 80W; Boost the signal of your radio significantly Connector: UHF/SL16/PL259-M/J; Transmits 2 meter VHF 70cm UHF3.144MHz(136-174MHz)&435MHz(400-470MHz) Easy to install, plug and play installation;Ideal replacement part for your car radio equipment Length Approx: 9cm/3.54 inch:Shorter and better looking than the stock whip Package Content : 1 x Antenna; 45 days without reason return,Please try it