Nady UHF-3 Headset HM-3 Wireless System MU3/484.55 "UHF-3 wireless mic system Half-rack receiver design with folding front panel dual antennas Clear channel UHF operation for optimum interference-free performance in any application or locale Nady's proprietary companding circuitry for 120dB dynamic range, and clear, natural sound Tone Squelch for locking out potential interference UHF-3 receiver with DigiTRU Diversity for maximum range and dropout protection, full LED indicators, both 1/4"" unbalanced and XLR balance" Half-rack receiver design with folding front panel dual antennas Clear channel UHF operation for optimum interference-free performance in any application or locale Nady's proprietary companding circuitry for 12dB dynamic "range, and clear, natural sound"