9
Specifications
Vr-3u OVerall SYSTeM PerFOrManCe
Frequency response
50 Hz - 18 KHz, +/– 3 dB
Dynamic range
120 dB
Total Harmonic Distortion
< 0.6%
Frequency range
UHF, choice of single frequencies from 470-500 MHz
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
Squelch
Fixed level, only un-mutes with tone code key
received from TX (38KHz)
Controls
VOLUME, ON/OFF Control knob
Balanced Phone Jack
360 mV (no load)
leD Indicator
TX On (Green); Low-Battery LED (Red)
unwanted Signal rejection
60dB image and spurious
Power requirements
DC 3V (2xAA) @ 180mA
Dimensions (Max)
2.5” x 4.25” x 1” (6.4 x 10.8 x 2.54 cm)
Weight
3.3 oz (94g) without battery
antenna
5” (13 cm) flexible wire, permanently attached
TranSMITTerS
audio Input
UH-3:
Handheld: Integral Nady DM-10D neodymium dynamic cartridge
UB-3:
Bodypack: 3.5mm locking mini-jack, head-worn mic, or lavalier mic
Controls
UH-3:
Power/Mute On-Off
UB-3:
Power/Mute On-Off; Headworn mic/lavalier mic; Input level
leD Indicators
UH-3:
Unit On (green LED) and single flash (red LED);
Low-Battery Alert (solid red LED)
UB-3:
Bi-color: On (green); Low-Battery Alert (orange)
rF Power Out
50mW nominal (maximum allowed by FCC)
Harmonic & Spurious emissions
< –50 dB
Battery
UH-3:
Two AA alkalines
UB-3:
Two AAA alkalines
Battery life
UH-3:
8-10 hours
UB-3:
4-5 hours
Dimensions
UH-3:
Handheld: 2”x 9” (5.08 cm x 22.86 cm)
UB-3:
Bodypack: 3.25” x 2.187”x 1” (8.25 cm x 5.53 cm x 2.54 cm)
Weight
UH-3
10.15 oz (288g) without battery
UB-3
2.25 oz (63.8g) without battery
Housing Construction
Metal
Specifications subject to change at any time without prior notice for purposes of product improvement
