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10. TECHNICAL SPECIFICATIONS
INTERCOM LINE
IMPEDANCE:
•
220
Ω
AC/4700
Ω
DC.
NOMINAL/MAXIMUM LEVEL:
•
-10 dBu / +3 dBu.
FREQUENCY RESPONSE:
•
100 Hz — 10 KHz (-3 dB).
SYSTEM
SPECIFICATION
VOLTAGE OPERATION:
•
+12 a +30 VDC.
DYNAMIC RANGE:
•
80 dB.
BRINGING IMPEDANCE @ 1KHz:
•
> 20 K
Ω.
SIDE-TONE CANCELLATION:
•
Adjustable from 0 to 30 dB @ 1 Khz.
MAXIMUM CABLE LENGTH:
•
500-2.000 meter. Depends on installation.
RECOMMENDED WIRE TYPE:
•
Shielded mic cable 2 x 0.30 mm
2
.
CALL SIGNAL:
•
+2,8 mA/11 VDC.
CALL THRESHOLD:
•
3 VDC.
REMOTE MIC-OFF:
•
Power interruption: 100 ms.
REMOTE BUZZER-OFF:
•
10 Hz / 800 mVp.
MIC PREAMPLIFIER
MICROPHONE TYPE:
•
Dynamic or electret.
INPUT IMPEDANCE:
•
4K7.
NOMINAL/MAXIMUM LEVEL:
•
-45 dBu (H)/-20 dBu(L).(internal preset).
PRESENCE FILTER:
•
+6 dB @ 4700 Hz.
PHANTOM VOLTAGE:
•
+9 VDC (internal preset ).
HEADSET AMPLIFIER
IMPEDANCE:
•
200
Ω
(nominal), 2K
Ω
(maximum).
MAXIMUM LEVEL:
•
20 Vpp (200
Ω
).
OUTPUT POWER:
•
250 mW (200
Ω
).
FREQUENCY RESPONSE:
•
250 Hz - 15 KHz.
RESIDUAL NOISE:
•
-100 dBu (all mics off).
P.A. OUTPUT
TYPE/ IMPEDANCE:
•
Balanced, XLR-3-32 / 100
Ω.
OUTPUT ADJUSTMENT
•
Rear panel. Range 0 to 100%.
NOMINAL/MAXIMUM LEVEL:
•
+4 dBu/+8 dBu.
S.A. OUTPUT
TYPE/IMPEDANCE
•
Balanced, XLR-3-32 / 100
Ω.
.
OUTPUT ADJUSTMENT
•
Rear panel. Range 0 to 100.
NOMINAL/MAXIMUM LEVEL:
•
+4 dBu/+8 dBu.
PROGRAM INPUT
TYPE:
•
Balanced, XLR-3-31.
IMPEDANCE (LINE/MIC):
•
40 K
Ω /
2 K
Ω.
INPUT LEVEL:
•
MIC: adjustable -15 dBu to -45 dBu.
•
LINE: adju10 dBu to -20 dBu..
MULTICHANNEL
OPERATION
AUDIO LINKS
•
MIC/EAR PreAmps, 2x minijack 3.5mm.
SYNCHRO LINKS
•
SYNCHRO IN/OUT, 2x RJ11 6/4.
RADIO
FREQUENCY:
•
1900 MHz ban.
MODULATION:
•
GFSK/TDMA.
TRANSMIT POWER:
•
+22 dBm peak typically..
RECEIVE SENSITIVITY:
•
-92 dBm typically.
NUMBER OF BELTPACKS PER BASE:
•
8 units maximum in party line full duplex.
RANGE:
•
50 to 300 m around base depending on
number and type of walls/environment.
POWER SUPPLY
MAINS VOLTAGE:
•
90-264 VAC/ 50-60 Hz.
POWER SUPPLY:
•
24 VDC nominal/ 1,8 Amperes.
PROTECTIONS:
•
Short circuit on the line, overheat.
POWER REQUIREMENTS:
•
50 VA maximum..
ACCESSORIES
DIRECTIONAL ANTENNA:
•
REF: DA-P6060.
OMNIDIRECTIONAL ANTENNA
•
REF: OA-P0360
DIMENSIONS
•
1U x 19""x210 MM.
WEIGHT
•
3Kg. Net.
NOTE:
Technical specifications are subject to variation without previous notice.
WB-200 SERIES INTERCOM SYSTEM — WBS-202 DUAL CHANNEL WIRELESS BASE STATION