Nady UHF-4 LT/HM-3 (115) Headset Wireless System Band 10 Nady UHF-4 LT wireless mic system Interference-free operation on select UHF frequencies within separate bands 902-928 and 944-952MHz Receiver Half-rack design receiver design with folding front panel dual antennas Snap out panel locking tabs for single and dual receiver optional rackmounting Tone Squelch to lock out interference DIgiTRU Diversity technology Full LED indicators unbalanced and balanced output Noisless transmitter On/Off switch This Nady UHF-4/HM-3 headset wireless microphone system offers high-quality wireless for an amazingly affordable price It gives you interference-free operation on select UHF frequencies, companding circuitry for an exceptional 120dB dynamic range, and clear, natural sound The DigiTRU Diversity dual-antenna system prevents dropouts and extends its range The Tone Squelch function blocks potential interference while full LED indicators keep you on top of things