Interference-free operation on select UHF frequencies within separate bands 902-928 and 944-952 MHzReceiverHalf-rack design receiver design with folding front panel dual antennasSnap out panel locking tabs for sing/and dual receiver optional rackmountingTone Squelch to lock out interferenceDIgiTRU Diversity technologyFull LED indicatorsunbalanced and balanced outputNoiseless transmitter On/Off switchingUB-4 bodypack transmitter3 mic operating modes: Instrument (GT), Headworn (HM), and Lavalier (