The Nady UHF-4 UHF Wireless Lavalier Microphone System (Group 11) incorporates stable UHF reception in a cost effective package for DJs, presentations, houses-of-worship, karaoke and much more. The UHF-4 avoids the crowded VHF bandwidth, resulting in low noise and fewer drop-outs. The system is straightforward and easy to operate, with the UB-4 bodypack transmitter and UHF-4 receiver. The UB-4 bodypack includes a lavalier microphone for hands-free speech during presentations, sermons, performances and more. The receiver features DigiTRU diversity technology for stable reception.