The Audio-Technica ATW-3211DE2 3000 Series fourth generation is a frequency-agile, True diversity UHF wireless microphone system engineered to give users the power and flexibility to operate within the congested UHF spectrum. The system includes an atw-r3210 receiver and an atw-t3201 body pack transmitter, and is designed to provide intelligible, natural audio while minimizing potential interference, for stage, television, lecture, event presentation, or house of worship applications.