The Sony WRT-822B is a UHF synthesized bodypack transmitter engineered for professional wireless microphone systems. It provides robust, clear audio transmission for use in broadcast, live performance, and presentation settings. The design focuses on reliability and performance, using Sony's advanced technology to deliver stable signal output across a wide range of selectable UHF frequencies. Its compact, lightweight form factor allows for unobtrusive placement on a performer or speaker, ensuring comfort during extended use.