The BHDBT-K-SI-ER HDBaseT Extender Kit allows you to transmit HDMI audio and video, RS-232 serial and IR Remote Control signals up to 500 feet over a single Cat5e/6/6a cable, including a 1920 x 1080 (1080p) signal at 60Hz. Add up to five Tripp Lite BHDBT-TR-SI-ER transceivers (sold separately) between the transmitter and receiver units to further expand the range up to 3,000 feet with a monitor connected via HDMI port to each transceiver.