The Sierra antenna adapter for the AM/FM radio on the 2018 & newer Honda GL-1833 GoldWing allows you to easily connect an after market antenna to the O.E.M. AM/FM radio to improve the poor repection of the factory antenna setup. This adapter will accept a standard male motorola plug like the one used by our SIE-T268 antenna splitter or the factory Hondaline CB antenna and terminates to the Fakra style connector used by the O.E.M. AM/FM radio. Simple plug-n-play installation. Antenna not included.