Patent attributes
A short-range communication system. The short-range communication system includes a plurality of wearable units, each of which include a hub having a speaker therein. Each wearable unit has a primary clip extending from the hub for selective attachment to a wearer's ear such that the speaker is directed to an ear canal of the wearer. Each wearable includes has a secondary clip extending outwardly from the hub such that an exterior side of the hub is between the secondary clip and the speaker, an antenna in the secondary clip, a reflector between the secondary clip and the speaker, and a microphone. Each wearable unit is in either a transmit state or a listener state, with a maximum of one said wearable unit being in the transmit state at any point in time. A stationary repeater having a processor and circuitry manipulates original RF signals transmitted by a transmitting wearable unit.