Wireless system for visitor groups touring Museums, Tourist Sites, Religious Sites, Walking Tours and so forth. In this application, each visitor is provided with a light receiver and a headset.
Visitors then listen to the guide's commentary without interruptions.
Silence is also being kept at the site. On board passengers provided again with same light rceivers, hear explanations coming out of the central audio unit. When leaving the coach or boat to visit at sites, explanations are then provided via microphone and transmitter in the guide's own language.