UD-223 Wireless Conference Microphone Base
Model UD-223
Overview
The UD-223 is a wireless desktop conference microphone base designed for use with professional gooseneck microphones in corporate and government environments.
Its robust metal chassis, high-contrast OLED display, and integrated high-pass filter provide a reliable and clean voice reinforcement solution for meeting rooms.
The compact design and silent touch button allow the speaker to control the microphone without any mechanical click noise.
Technical specifications
Device Type
Wireless conference microphone base with detachable gooseneck
Main Application
Wireless desktop conference microphone for corporate, government, and educational rooms
Carrier Frequency Range
521.25 MHz – 936.85 MHz (depending on version/region)
Oscillation Mode
PLL synthesized
Harmonic Radiation
More than 50 dB below the main carrier
RF Bandwidth
Up to 134 MHz (depending on region)
Maximum Deviation
±45 kHz
RF Output Power
≈ 10 mW
Intended Use Pattern
With 3-pin balanced XLR condenser gooseneck microphones with locking connector
High-pass Filter
Integrated, with cutoff below 200 Hz to reduce low-frequency noise
Control
Silent touch switch for microphone on/off
Display
High-contrast OLED showing channel, frequency, battery level, and status
Power Supply
2 × AA batteries
Battery Life
Typically up to 9 hours of continuous operation
Dimensions
170 × 129 × 49 mm (L × W × H)
Weight
Robust metal base, suitable for intensive table use
Color
Black
Microphone Compatibility
3-pin balanced XLR female (locking) gooseneck
Compatible Systems
Relacart UHF 222 series wireless receivers / UR wireless microphone systems
Applications
Conference rooms, parliaments, hotels, convention centers, boardrooms, and training spaces
Key features
- UHF wireless desktop base for locking 3-pin XLR gooseneck, ideal for conference stations and lecterns.
- High-contrast OLED display showing essential information such as channel, frequency, and battery level.
- Integrated high-pass filter (< 200 Hz) to minimize handling noise and table vibrations.
- Silent touch button for microphone on/off without audible click noise in the system.
- Powered by two AA batteries with enough capacity for full-day meetings.
- Solid metal construction designed for permanent installations and intensive professional use.
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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