The KanexPro EXT-HDBT70MTX is an HDCP 2.2 compliant transmitter - extender consisting of one HDMI input one Ethernet output and IR + RS-232 controls. It uses HDBaseT technology to transmit uncompressed, high-resolution 1080p/ 4K signals from transmitter to the receiver via a CAT5e/CAT6a cable at up to 70/40m. Moreover, EXT-HDBT70M supports CEC, bi- directional RS232 & IR control, and bi-directional PoH (power over HDBaseT) function. Applications Ideal for use in digital signage applications, healthcare AV, control rooms, educational facilities, airports, commanding centers and home theater. Please note: use a CAT5e/6 cable with low impedance STP(Shielded twisted pair) is recommended with proper grounding for excellent transmission of AV signals.