INTARIDE These guys supply a handset that you carry on your person, with a Push to Talk Button (PTT) that you connect via a jack plug ( £ 109 ) they do a hard wired version to the bike also ( £ 129 ) There is a sound demo on the site also + 7 day trial service so you can return it if you don't like it [URL]http://www.intaride.com/xl_bike_to_bike_system.html[/URL] Anyone used this kit? have any comments or recommendations for a different make? ta