UD-223

Relacart UD-223 - wireless microphone base for gooseneck microphones

Relacart UD-223 is a professional wireless microphone base designed for conference, educational, and institutional applications. Operating in the UHF band (521.25-936.85 MHz) with a 134 MHz bandwidth, it offers stable transmission and high-quality audio. PLL frequency synthesis technology ensures resistance to interference, while the built-in low-cut filter eliminates unwanted rumble below 200 Hz.

Its metal housing guarantees durability even under heavy use, and the silent touch switch allows discreet operation without acoustic noise. Powered by four AA batteries, UD-223 provides mobility and independence from cabling, making it ideal for conference rooms, council chambers, lecture halls, and presentation spaces.

Functionality:

• wireless UHF transmission in the 521.25-936.85 MHz band
• PLL technology - stable performance without interference
• low-cut filter - reduces noise below 200 Hz
• silent touch switch - no switching noise
• battery-powered - 4 x AA
• designed for conferences, education, and public institutions

Features:

• harmonic radiation: 50 dBm below carrier
• bandwidth: 134 MHz (region-dependent)
• max deviation: ±45 kHz
• RF output power: 10 mW
• current consumption: 180 mA (typical)
• dimensions: 170 x 129 x 49 mm
• weight: approx. 580 g (without batteries)
• durable metal housing - resistant to heavy use
• compact design - easy tabletop placement

Relacart UD-223 is a reliable solution for professional conference environments where sound quality, aesthetics, and ease of use are essential.