Wireless Audio System Manufacturer Since 1994

WDC-900 2.4G Digital Wireless Conference System

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The WDC-900 2.4G digital wireless conference system is operated in a UHF band and with ZigBee protocol wireless communication technology. The digital and wireless discussion units produce high quality CD sound due to very high fidelity circuit design. The key features of this wireless microphone system very suitable for places like government departments, conference rooms, business centers, international convention centers, etc.

The system is set up easily and quickly with no impact on location, especially for historical locations, the benefits can be even more pronounced. There is no worry about the damaging of antique materials of a grand hall since no cables have to be laid or holes drilled; the Relacart WDC wireless conference system offers a professional and perfect solution for challenging locations.

• Auto channel research function.
• 16 groups of frequency band for your choice.
• Bright LCD display operating screen, with different languages available.
• The system is perfectly protected against interference from other wireless equipment such as computers, mobile phones and Bluetooth devices. And you can set up as many wireless conference systems in the building as needed.
• Selectively assemble earphones for real-time monitoring function.
• Three conference operation modes:
  ---Time Limiting: Allow one speaker only and can set the speaking time; The other unit will override the activated unit when set speaking time is over.
  ---Request: The operation of delegate unit should be approved by chairman unit.
  ---FIFO: When maximum number of speakers has reached, subsequent speaker will override the activated microphone.

• Digital and Wireless Central Controller Unit
• Wireless Chairman Unit
• Selective Assembly Unit

WDC-900 Digital and Wireless Central Controller Unit

• Control up to 272 wireless discussion units and 2 chairman units, up to 4 discussion unit activation at the same time.
• Built with antenna connection port, the use of Relacart antenna system could strength the signal transmission.
• Adopts RS-232 connection port, can connect with the central controller and video tracking system.

Technical Parameters:

• Main Frame Size: 2U EIA standard
• Power Supply: 110-220V AC 50/60Hz
• Carrier Frequency Range: UHF522MHz~936 MHz
• Maximum Power: 60W
• Data Frequency Range: 2400 MHz~2500 MHz
• Bandwidth:
• Band：HF 139MHz (797 MHz~936 MHz)
• Band：AD 134MHz (662 MHz~796 MHz)
• Band：EJ 97MHz (554MHz~651 MHz)
• Modulation Mode: FM
• Frequency Response: 65Hz-18 kHz ±3dB
• S/N: >100dB
• Distortion (T.H.D.) <0.9％
• Max. Deviation: ±45KHz
• Audio Output: XLR balanced output 4dBV
• 6.3mm unbalanced output: -1.8dBV
• RCA Max. Output: -1.2dBV
• Chairman/Delegate Unit Connection: Anti-shedding 9 core aviation plug
• Dimension (mm): 426(W) ×88(H) ×263(D)
• Weight (kg): Approximately 4.5
• Color: Black

WDC-900C Wireless Chairman Unit

• Advanced conference technology, compliant with IEC60914 standard.
• Unidirectional condenser cardioid microphone for high quality sound pickup.
• Priority Button to switch off the speaking unit.
• Using normal AA batteries to ensure at least 6 hours service.

Technical Parameters:

• Audio Frequency Range: UHF554MHz~936 MHz
• Data Frequency Range: 2400 MHz~2500 MHz
• Bandwidth:
• Band：HF 139MHz（797 MHz~936 MHz)
• Band：AD 134MHz（662 MHz~796 MHz）
• Band：EJ 97MHz（554MHz~651 MHz）
• Power: 500mW
• RF Output Power: 15mW
• Oscillation: PLL synthesized
• Frequency Response: 65Hz-18 kHz ±3dB
• Harmonic Radiation: <50dBm
• Max. Deviation: ±45KHz
• Distortion (T.H.D.) <0.5％
• Capsule: Condenser cardioid
• Microphone Length (selectable): 340mm/420mm (Default)/480mm
• Base Dimension (mm) 127(W) ×52(H) ×180(D)
• Batteries: AA×2
• Weight: Approximately 1.1kg
• Color: Black

Selective Assembly Unit: VTS-1000 Wireless Video Tracking System

• VTS-1000 video tracking system can cooperate with any Relacart conference system built with video tracking function without further more accessories. The cameras can be directly controlled by the central controller, and the camera will automatically track the last speaker once the microphone is activated, and display screen can be connected.
• Maximum of 3 cameras working simultaneously.
• The camera always tracks the last speaker.
• Working with almost all brands of camera in the market.

Technical Parameters:

• Power Supply: AC 100~240V, 0.5A, 50/60Hz
• Power: 25W
• Number of Cameras: 3
• Video Output Level: BNC 1.08V P-P
• Video Output Impedance: 75Ω
• Video Bandwidth (-3db): 30MHz
• DC Output: 0V
• Color: Black
• Mounting Option: Applicable for 19 inch standard cabinet