Frequency Response 30Hz-18kHz, ±3dB
Dynamic Range 120dB
Total Harmonic Distortion <0.6%
RF Carrier Frequency Range UHF, choice of single frequencies in separate bands within 794-865MHz
Frequency Stability ±0.005%, crystal controlled
Modulation FM (F3E), ±20kHz 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 (30.768kHz)
Controls Power ON/OFF, Volume Control, Squelch (Mute) Adjust
Connectors DC in, 1/4 inch
Reception Mode DigiTRU Diversity (Dual Antenna)
Squelch External Control, Tone Key (30.768kHz)
Controls Power ON/OFF, Volume Control, Squelch (Mute) Adjust
Connectors DC in, 1/4 inch (6.3 mm) unbalanced phone jack (360 mV/no load), XLR balanced output (±24 mV/600 ohm load)
LED Indicators Power ON, Diversity A/B, Audio LED Bars +Peak
Unwanted Signal Rejection 60dB image and spurious
Power Requirements DC 15V @300 mA, AC/DC adapter included
Dimensions (Max.) 1.75x7.5x8.1 inch(4.5 x 19 x 20.6 cm)
Weight 0.9 lb. (0.41 kg)
Antenna 3.5 inch (9.0 cm), dual telescopic
TRANSMITTERS
Audio Inputs UB-4 Bodypack: 3.5mm locking mini-jack, switchable inputs: instrument, headworn mic, or Lavalier mic
UH-4 Handheld: Integral Nady DM-10D neodymium
Dynamic cartridge
Controls UB-4: Power/Standby/Off, Instrument/
Headworn Mic/Lav Mic, Input Level
UH-4: Power/Standby/Off/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 UH-4: 9V Alkaline UB-4: 9V Alkaline
Battery Life 10 Hours
Dimensions UB-4
UHF-4 Hand-held: 9-1/2x2 inch
(24 cm x 5.1 cm)
Weight UB-4 Bodypack: 3.1 oz. (88 g) without battery
UH-4 Hand-held: 6.6 oz. (187 g) without battery