NavAtlas 2 Person In-Helmet Communication Package NavAtlas presents a comprehensive communications pack which provides all the necessary components for seamless in-helmet voice communication between two riders. The product ensures clear and efficient exchange of information for an enhanced biking experience. Features: 1 Nnt10 Intercom, 2 Nh100 In-Helmet Headsets Ncr2 Dual Band Car-to-Car Radio Intercom cable to connect the Ncr2 to the Nnt10 Intercom Antenna kit with mounting brackets and 16 foot cable