AZ507FX Dual Band UHF/VHF 144/430MHz 70W 2.15/5.2dBi Amateur Car Radio Mobile/ Antenna SL16/UHF-J/M Type Dual-Band VHF & UHF (144/430MHz) Convenient for use Gain:2.15/5.2dbi Connector:UHF male Length:75cm(29.5in)