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The Crestron HDMI over Shielded Twisted Pair Extender (HD-EXT1-C) delivers professional-grade digital HD AV signal extension for use in the home, classroom, auditorium, or corporate boardroom. Without any special setup or configuration, the HD-EXT1-C enables wire runs up to 100 meters (330 feet) over a single, low-cost shielded twisted-pair (STP) cable. It simultaneously handles high-definition digital video and audio, RS-232, and IR signals.