The KanexPro EXT-HDBT70C is an HDCP 2.2 compliant extender set consisting of a transmitter and receiver. It uses HDBaseT technology to transmit uncompressed, high-resolution 1080p/ 4K signals from transmitter to the receiver via a CAT5e/CAT6a cable at a distance of up to 70/40m. Moreover, the extender set supports PoC (power over cable) from either side of the sender or receiver, CEC, bi- directional RS232 & IR control. Applications Perfect for extending and routing 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.