Behringer UL2000M UHF True Diversity Wireless Microphone System High-performance UHF True Diversity Microphone System with 320 selectable frequencies for ultimate flexibility True Diversity technology and proprietary antenna design ensures exceptionally long range for greatest signal reliability and freedom of movement Ultra-wide audio bandwidth for highest signal integrity Excellent cardioid-pattern microphone perfect for vocal applications, featuring a Panasonic condenser transducer** Mute function and Low Battery indicator conveniently located on transmitter