The single port HDMI extenders (HDBT-1-Es) and receivers (HDBT-1-Rs) are applicable for any ProAV application that requires extending HDMI signals up to 330 feet / 100 meters.
They use HDBaseT technology for transmitting uncompressed high definition digital video, 3D video, and audio, and various control signals such as RS232 and IR over a single CATx cable.