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22 South Smith Street
Norwalk, CT 06855
United States
Norwalk, CT 06855
United States
Sound Control Technologies
SCT designs and manufactures technology solutions that simplify the toughest AV connectivity challenges. From video bars and cameras to codecs and tabletop systems, our signal extension products support every major collaboration platform and deliver DP Alt Mode, Power Delivery, and HDMI/USB extension—no programming required.
Model: RTK-PRO™
The RTK-PRO™ provides HDMI for content, Touch 10 Ethernet and power, Audio I/O, USB, distance up to 100 meters on CAT5e/CAT6 and supports up to 3 Cisco Microphones.
Featured Product
USB-C Backward Compatibility Explained | Why USB-C Still Works Without DP Alt Mode
Posted on Wednesday, May 20, 2026
USB-C devices can still carry video even when DisplayPort Alt Mode is not supported, and in this video our resident USB-C expert explains how. You’ll learn how USB-C falls back to standard USB data connections, why technologies like DisplayLink still work without native video support, and how USB-C backward compatibility keeps modern devices connected.
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