Nady UHF4 Headset Wireless System

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UHF diversity operation. Does NOT include the handheld shown. Has HM3 instead.

Overview

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

Does NOT include the handheld shown. Has HM3 instead.

Specs

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