Biamp Devio Dtm-15 Years Warranty The Dtm-1 Tabletop Microphone Includes Beamtracking™ Technology With Three 120-Degree Zones Providing Full 360-Degree Coverage Of The Meeting Space. The Dtm-1 Microphone Actively Tracks And Intelligently Mixes Conversations From Around The Table Allowing Far-End Conference Participants To Experience The Conversation Naturally. The Dtm-1 Ships With A Mounting Plate For Securing It To A Table And A Second Dtm-1 Microphone Can Be Added To The Meeting Room If Needed.• Beamtracking Technology Actively Tracks And Intelligently Mixes Conversations Around The Table• Three 120-Degree Zones For 360 Degrees Of Coverage• Three Led Mute Status Indicators• Three Capacitive Touch Mute Buttons• Two Selectable Directivity Modes• Mounting Plate For Secure Installation Included• Easy Single-Cable Installation Process• Additional Rj-45 For Daisy-Chain Connection To Another Dtm-1 Microphone (Maximum Of Two Mics Per Daisy Chain)• Covered By Biamp Systems' Two-Year WarrantyFeaturesWarranty5 Years