Conference Style Intercoms
These bluetooth intercoms allow conference call style talk amongst several or many riders.
A conference intercom means that all riders can communicate at the same time - no button pushing required once everyone is connected up.
The maximum range is defined by the intercom range - so for a 1km range conference intercom the front to back riders have to be with 1km.
A mesh intercom is a little different - the range of the whole system extends (like pulling on a pice of mesh) as the gap between the riders extends (so long as no rider is moredistant than the intercom range) - think of it as the signal bouncing off the various interrcoms in the group to extend the total range.
A word about range ... well a couple. The manufacturers range is in ideal conditions. Bluetooth is line of sight so throw in a few corners with hills and the range will drop considerably. Also Bluetooth signals attenuate in moisture - so when it's raining range will drop.