Wireless Helmet Kit Conversion to Rugged Intercoms allows wire-free connection of a helmet kit to an intercom for high-quality audio. You can achieve clear comms in three steps; connect the intercom adapter box using the provided 5-pin intercom cable and mount it allowing antenna unobstruction. Next, plug your helmet kit into the adapter box and attach it personally. Lastly, pair the adapter boxes using LED indicator lights. This Rugged Wireless technology is ideal for use in offroad, UTVs, rock crawling, spotters, seeking a simple solution to cable-less communication. A Dura-Link connection in your helmet or headset will need an extension cable. The kit includes Wireless Intercom Adapter Box, Helmet Kit Adapter Box.