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SPECIFICATIONS
WT-870
Power Requirements
Power Consumption
DC Input
Antenna Input
Audio Output
Mixing Output
Operating Temperature
Dimensions
Weight
Finish
TOA Corporation
KOBE, JAPAN
120V AC, 60 Hz ("L" version)
220~240V AC, 50 Hz ("H" version)
10W (when 2 WTU-870's or WTU-871's are mounted)
12-18V DC, 400mA max.
75 , BNC
Power supplied to antenna : 9V DC, 30mA max.
–60 dBV, 600 , balanced
LINE : 0 dBV, 10k , unbalanced
MIC : –60 dBV, 600 , unbalanced
–10°C~50°C (14°F~122°F)
210X47.5X280mm (8.3"X1.9"X1.0")
Approx. 2.3kg (5.07lb.)
Panel: black
Module and blank panel: resin (black)
WT-870 equipped with WTU-870 or WTU-871
Receiving Frequency
Receiving Sensitivity
Squelch Sensitivity
Frequency Response
Residual Noise
169.445 MHz~171.905 MHz (FCC Part 90/USA)
174.250 MHz~215.250 MHz (FCC Part 74/USA,D.O.C/CANADA)
173.8 MHz~175.0 MHz (MPT1345/UK)
202.1 MHz~203.7 MHz (DOC 60/AUSTRALIA)
Under 20 dBµ V(S/N : 75 dB/Deviation : 15 kHz)
(S/N : 80 dB/Deviation : 40 kHz)
Approx. 14 dB µ V
100 Hz~12kHz±2dB
Less than 30 µ V (8 µ V : A -weight)
Overall System Performance (WT-870, WTU-870/WTU-871, WM-280/WM-281/
WM-290/WM-291)
Transmission Distance
Dynamic Range (SNR)
Distortion
30~100m (100~330 feet)
Better than 90 dB (102 dB : A-weight)(60 dB µ V, 15 kHz Deviation)
Better than 95 dB (102 dB : A-weight)(60 dB µ V, 40 kHz Deviation)
Under 1 %
*Specifications are subject to change without notice.
Accessories
Power cable .......................... 1
DC input connector............... 1
Color identification labels....... 1
Operating instructions........... 1
Warranty card ....................... 1 (only "L" version)
133-07-074-90