HDX-PRO a high-resolution HDTV and stereo audio extender component within SmartAVI's HDControl product family geared specifically toward home theater owners and designers. Using small transmitter and receiver units, you can broadcast HD desktop video, stereo audio signals, infrared and RS-232 over unshielded twisted pair (UTP) cabling. Using RS-232 and IR support, the HDX-PRO allows users to send commands such as volume control, channel viewing or power on/off, to single or multiple devices from remote locations.