Yealink VCM35 is a wired video conferencing microphone array specially designed for the third generation of Yealink Video Conferencing System, which is suitable for conference room spaces of varied sizes. Its built-in 3-microphone array with a 20ft (6m) radius and 360° voice pickup range is an ideal solution for any conference  room that needs the best audio experience. With the Yealink Acoustic Echo Canceling and Yealink Noise Proof Technology, Yealink VCM35 can effectively reduce ambient noise up to 90 dB and give you a high-quality audio experience in full-duplex calls. Yealink VCM35 supports star-cascaded deployment, and its extremely high scalability and flexibility make deployment more convenient and faster and can fully cover conference rooms of various sizesOptima HD AudioYealink Full Duplex Technology6m – 360° voice pickup rangeStar-cascaded deployment