The Yealink DE300 AV over IP Decoder is a high-performance decoding solution developed for enterprise AV distribution and conferencing environments. It receives audio and video streams transmitted over standard Gigabit networks and outputs visually lossless 4K@60Hz 4:4:4 video with ultra-low latency, ensuring real-time collaboration. Integrated with the Yealink AV ONE ecosystem, the DE300 enables scalable AV matrix deployments using multiple encoders and decoders across meeting spaces. A built-in 2×2 video matrix allows flexible switching between sources, while USB capture capabilities support streaming and content sharing directly to conferencing systems. With HDMI, USB, RS-232, IR control, and PoE+ support, it simplifies installation and centralized AV management. Designed for boardrooms, lecture halls, and professional AV installations, it delivers reliable, secure, and high-quality AV distribution