The Nady UHF-4 systems offer unprecedented value in a full-featured single-channel UHF wireless mic system -- with interference-free operation in any application or locale on select UHF frequencies from 794 to 865 Mhz.
Features
Half-rack receiver design with folding front panel dual antennas and unique snap-out panel locking tabs for single receiver or dual receiver (side-by-side)optional rack mounting
Nady's proprietary companding circuitry for an industry best 120dB dynamic range, and the clearest, most natural sound available
Tone Squelch for locking out potential interference
UHF-4 receiver with DigiTRU diversity for maximum range and dropout protection, full LED indicators, both 1/4 in. unbalanced and XLR balanced outputs, and special circuitry for noiseless transmitter on/off switching
UB-4 Bodypack Transmitter
Choice of instrument or headworn/lavalier microphone bodypack transmitter in a single unit -- off/standby/on switch allows convenient audio muting with the transmitter "on"
Status LED indicator flashes once for unit "on"; lights steady for low battery alert
Locking 3.5mm mini-jack provides secure connection for removable microphone or instrument cable
9V alkaline or NiMH battery operation
Technical Info
UHF4 Overall System Performance
Frequency Response: 30Hz - 18KHz, +/- 3 dB
Dynamic Range: 120 dB
Total Harmonic Distortion: < 0.6%
RF Carrier Frequency Range: UHF, choice of single frequencies in separate bands within 794-865 MHz
Frequency Stability: +/- 0.005%, crystal controlled
Modulation: FM (F3E), +/- 20 KHz normal
Operating Range: Up to 250 ft. typical (depending on site conditions); up to 500+ feet optimum line-of-sight
Receiver
Reception Mode: DigiTRU Diversity (Dual Antenna)
Squelch: External Control, Tone Key (30.768 KHz)
Controls: Power On/Off, Volume Control, Squelch (Mute) Adjust
Connectors: DC in, 1/4 in. unbalanced phone jack (360 mV/ no load), XLR balanced input (+/- 24 mV/ 600 Ohm load)
LED Indicators: Power On, Diversity A/B, Audio LED Bars + Peak
Unwanted Signal Rejection: 60 dB image and spurious
Power Requirements: DC 15V @ 300 mA, adapter included
Dimensions: 1.75 in. x 7.5 in. x 8.1 in.
Weight: 0.9 lbs.
Antenna: 3.5 in., dual telescopic
Transmitter
Audio Inputs: 3.5 mm locking mini-jack, switchable inputs: instrument, headworn mic, or lavalier mic
Controls: Power/Standby/Off, Instrument/Headworn Mic/Lav Mic, Input Level
LED Indicator: Single color (red), Unit On (single flash red), Low Battery Alert (steady red)
RF Power Out: 50mW nominal (maximum allowed by FCC)
Harmonic & Spurious Emissions: < -50 dB
Battery: 9V Alkaline
Battery Life: 10 Hours
Dimensions: 4.25 in x 2.5 in. x 1.0 in.
Weight: 3.1 oz. without battery
Because this item is used at your mouth or ear, it cannot be returned once opened due to health reasons. 
