DCW-9900 Series is 2.4G Wireless digital conference system, this series includes Wireless digital controller Unit (DCW-9900M), Wireless digital chairman unit (DCW-9900C) and Wireless digital delegate unit (DCW-9900D). This series combined video-tracking system, supports HD camera and SD camera and support up to 255 units.
DCW-9900 Series with simple and elegant design, Wireless Control unit is centralized processing and control discussion, Clear sound, hi-fidelity, built in USB port for recording in MP3 format and Support up to 64GB,Control unit has Large TFT screen display information, Built-in feedback eliminating technology, Built-in Video switcher processor 4IN/2OUT for SD video camera and Support control HD video camera and SD video camera up to 4 unit, This series can be perfectly integrated into any conference rooms or meeting rooms without additional wiring. It’s the best wireless conference solutions for small to medium scale system.
VERIFICATION OF COMPLIANCE : 
Certifications : ETSI EN 300 440 , 301 489-1 , 301 489-3 , EN 62368-1 , 62479 : 2010
FEATURES
- 2.4GHz ADFHSS (adaptation frequency hopping spread spectrum) technology to increase the security.
- Good ability for resistance to Mobile interference.
- Built-in feedback eliminating technology.
- Easy to move and easy to Installation without problem wiring connection.
- Easy to control meeting mode and the number of speakers by the buttons on the panel.
- Large TFT screen displays 4.3 inch display conference mode working status.
- The microphone can open at same time: 1,2,3,4
- Discussing and video-tracking combined conference system.
- The DCW-9900M can support 255 microphone units.
- The electrical load and short circuit protection function and the power switch turn-on/off without silent noise.
- Equipped with audio parallel output, Balanced output and a 6.3 jack output, conference recording outputs and background music inputs interface.
- Built in USB port for recording with light indicator. (Maximum 64GB)
- RS232 interface can be achieved using computer software to control entire conference system function.
- Built-in Video switcher processor 4IN/2OUT for SD video camera.
- Support control HD video camera and SD video camera up to 4 unit.
- Support protocol camera control Pelco-D,Pelco-P and Visca.
- Intelligent power management, when the DCW-9900M is turned off then all Discussion unit auto switch to turn off.
- DCW-9900M use with Omni-direction antenna (360°) Covering an area total is 60m and use with Directive antenna (180°) Covering an area 80m (option).
- Antenna Amplifier use for increase stable working distance. (option)
- 2U of a standard 19-inch rack.
- Four operational microphone modes:
1. CHAIRMAN mode: Only chairman can speech.
2. FIFO mode: After reaching limit number (1-4) when open new delegate microphone the first microphones will close automatic.
3. LIMIT mode: Limit microphones (1-4) can open on the same time.
4. TIME LIMIT mode: Setting on time speaking.
DIAGRAM
Specs
| Carrier frequency band | 2.400-2.500GHz |
| Communication distance | 60M (Max) |
| Frequency response | 20Hz～20KHz |
| T.H.D. | <0.05%dB |
| S/N Ratio | >90dB |
| Operating temperature range | -20～70℃ |
| Signal covering range | 60M (Max) |
DCW-9900M Controller Unit | |
| Power supply | DC 12V~17V |
| Power consumption | 6.5W |
| Dynamic range | >100dB |
| Channel crosstalk | >60 dB |
| Display | TFT 4.3inch |
| Dimensions | 480x370x85 mm |
| Weight | 6KG |
| Carrier frequency band | 2.400-2.500GHz |
| Communication distance | 60M (Max) |
| Frequency response | 20Hz～20KHz |
| T.H.D. | <0.05%dB |
| S/N Ratio | >90dB |
| Operating temperature range | -20～70℃ |
| Signal covering range | 60M (Max) |
| DCW-9900C Chairman Unit | |
Carrier frequency band | 2.400-2.500GHz |
| Frequency response | 40Hz-18kHz |
| S/N Ratio | 68dB (A-Weight) |
| Sensitivity | -43 dBV/Pa |
| Transmitter power | 10mW |
| Microphone Type | Condenser |
| Polar pattern | Ultra-Cardioid |
| Length of Microphone | 480mm |
| Power supply | Built in Lithium battery |
| Dimensions unit without mic | 190x125x63 mm |
| N.W. | 700g |
| Carrier frequency band | 2.400-2.500GHz |
| Communication distance | 60M (Max) |
| Frequency response | 20Hz～20KHz |
| T.H.D. | <0.05%dB |
| S/N Ratio | >90dB |
| Operating temperature range | -20～70℃ |
| Signal covering range | 60M (Max) |
DCW-9900D Delegate Unit | |
| Carrier frequency band | 2.400-2.500GHz |
| Frequency response | 40Hz-18kHz |
| S/N Ratio | 68dB (A-Weight) |
| Sensitivity | -43 dBV/Pa |
| Transmitter power | 10mW |
| Microphone Type | Condenser |
| Polar pattern | Ultra-Cardioid |
| Length of Microphone | 480mm |
| Power supply | Built in Lithium battery |
| Dimensions unit without mic | 190x125x63 mm |
| N.W. | 700g |
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