Overview
Delegate unit for the WDC-903 digital wireless conference discussion system, designed to deliver clear voice and intuitive operation for participants.
Combines bidirectional LoRa control with UHF-band transmission to ensure link stability and solid coverage in conference rooms.
The integrated rechargeable battery and OLED display allow extended use and easy monitoring of unit status throughout meetings.
Technical specifications
Unit Type
Wireless delegate unit for WDC-903 conference system
Function
Desktop microphone for participants and delegates
RF Frequency Band
UHF band (assigned segments vary by region)
RF System
PLL synthesized, FM modulation
Control Protocol
Low-latency bidirectional LoRa
Audio Transmission
WDC-903 system digital UHF carrier
RF Output Power
Approximately 10–15 mW
Microphone Connector
3-pin XLR for gooseneck (detachable)
Recommended Microphone Type
Cardioid condenser (gooseneck)
Frequency Response (audio)
Approximately 100 Hz – 12 kHz, optimized for voice
Signal-to-noise Ratio
High, optimized for speech in conferences
Battery
Built-in rechargeable Li-ion polymer
Operating Time
Typically > 20 hours per charge (normal use conditions)
Display
OLED display for RF status, channel, battery, and function
Indicators
LEDs for power, link status, and signal level
Functions
Remote power-on from host, channel selection, battery level indication
Dimensions
Compact desktop base (approx. 16 × 12 × 5 cm)
Weight
Lightweight desktop unit, suitable for extended use
Applications
Conference rooms, parliaments, municipal councils, corporate boardrooms
Key features
- Designed specifically as a delegate unit for the WDC-903 wireless system, with full integration with the WDC-903M host.
- UHF-band wireless transmission and bidirectional LoRa control for stable, interference-resistant operation in corporate environments.
- Built-in high-capacity rechargeable battery, suitable for full conference days without intermediate charging.
- OLED display and status LEDs for easy viewing of channel, link quality, and battery level by the user.
- Compact desktop base with XLR connector for a cardioid gooseneck microphone, optimized for speech intelligibility in debates and meetings.
Want to see this equipment working in your room?
We advise you at no cost on compatibility, installation and alternatives for your space.
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