With +Mesh, any Sena headset can now enjoy the benefits of Mesh 2.0 technology when using the intercom. The +Mesh wireless adapter for Sena headsets allows for seamless communication with other Sena headsets built with Mesh Intercom, rather than connecting over Bluetooth, with a range up to 800 meters (0.5 miles). Mesh-network technology will instantly connect you to a virtually limitless amount of users and provides a more stable connection by intelligently searching for lost intercom connections and automatically reconnecting them once back within range, while the rest of the group stays together