Nady UHF-4 Guitar Wireless System Band 11 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 sing/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 switching UB-4 bodypack transmitter &lt;B 5mm jack that also works with headworn and lavaliere mics, and a UH-4 hand-held microphone with a Nady DM -10D unidirectional neodymium dynamic cartridge With the Nady UHF-4 Guitar Wireless system you get a great value in a full-featured, single-channel UHF wireless mic system with interference-free operation in any application or locale on select UHF frequencies within separate bands 902-928 and 944-952 MHz The half-rack designed UHF-4 receiver features Nady's proprietary companding circuitry to give it a 120dB dynamic range for clear, natural sound, and a Tone Squelch for locking out potential interference It also features DigiTRU Diversity for maximum range and dropout protection, full LED indicators, unbalanced and balanced otuputs, and special circuitry for noiseless transmitter On/Off switching