audiovisual system for suspending a video projector and associated audiovisual components from a ceiling tile grid consisting of a projector mount, projector mounting pole with an enclosed audiovisual system consisting of an audiovisual switcher, amplifier, speakers, and receivers for sending video, audio, and control signals over unshielded twisted pair cables, and audiovisual components, namely, transmitters for sending video, audio, and control signals over unshielded twisted pair cables, ...