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WB-200 SERIES INTERCOM SYSTEM — WBS-200 DUAL CHANNEL WIRELESS BASE STATION
NOTE: Technical specifications are subject to variation without previous notice.
8. TECHNICAL SPECIFICATIONS
IMPEDANCE:
• 220 Ω AC.
• 4700 Ω DC.
NOMINAL/MAXIMUM LEVEL:
• -10 dBu / +3 dBu.
INTERCOM LINE
FREQUENCY RESPONSE:
• 100 Hz — 10 KHz (-3 dB).
VOLTAGE OPERATION:
• +12 to +30 VDC.
DYNAMIC RANGE:
• 80 dB.
BRINGING IMPEDANCE @ 1KHz:
• > 20 KΩ.
SIDE-TONE CANCELLATION:
• Adjustable from 0 to 30 dB @ 1khz
MICROPHONE LIMITER:
• Range: 28 dB.
MAXIMUM CABLE LENGTH:
• 500-2.000 mts. 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.
SYSTEM
SPECIFICATIONS
REMOTE BUZZER-OFF:
• 10 Hz / 800 mVp.
MICROPHONE TYPE:
• Dynamic or electret.
INPUT IMPEDANCE:
• 4K7.
NOMINAL/MAXIMUM LEVEL:
• -45 dBu (H)/-20 dBu(L).
LIMITER RANGE:
• 28 dB.
PRESENCE FILTER:
• +6 dB @ 4700 Hz.
PREAMPLIFIER
PHANTOM VOLTAGE:
• +9 VDC (internal preset ).
IMPEDANCE:
• 200 Ω (nominal), 2KΩ (maximum).
MAXIMUM LEVEL:
• 20 Vpp (200 Ω).
OUTPUT POWER:
• 250 mW (200 Ω).
FREQUENCY RESPONSE:
• 250 Hz - 15 KHz.
HEADSET AMPLIFIER
RESIDUAL NOISE:
• -100 dBu (all mics off).
TYPE:
• Balanced, XLR-3-32.
OUTPUT IMPEDANCE:
• 100 Ω.
P.A. OUTPUT
NOMINAL/MAXIMUM LEVEL:
• +4 dBu/+8 dBu.
TYPE:
• Balanced, XLR-3-31.
IMPEDANCE (LINE/MIC):
• 40 KΩ / 2 KΩ.
PROGRAM INPUT
INPUT LEVEL:
• MIC: adjustable -15 dBu to -45 dBu.
• LINE: ad
ustable +10 dBu to -20 dBu.
FREQUENCY:
• 1900 MHz band.
MODULATION:
• GFSK/TDMA.
TRANSMIT POWER:
• +22 dBm typically.
RECEIVE SENSITIVITY:
• -92 dBm typically.
RADIO
NUMBER OF BELTPACK PER BASE:
• 4 units maximum in party line full duplex
conversation.
MAINS VOLTAGE:
• 90-264 VAC/ 50-60 Hz.
POWER SUPPLY:
• 24 VDC nominal/ 1,8 Amperes.
PROTECTIONS:
• Short circuit on the line, overheat.
POWER SUPPLY
POWER REQUIREMENTS:
• 50 VA maximum.
PROGRAM INPUT TRANSFORMER:
• REF: TDA-I.
ACCESSORIES
P.A. OUTPUT TRANSFORMER.:
• REF: TDA-O.
DIMENSIONS
• 1U x 19""x210 MM.
WEIGHT
• 3Kg. Net.
(30 paginas)
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