The OREI HDMI extender balun allows you to transmit HDMI audio/video signals over Cat5e/6/7 cable with zero latency along with maintaining original audio/video quality. It supports up to 4K@60Hz YUV 4:4:4 resolution and extends the transmission distance up to 400 feet using high quality cat cables. HDBaseT technology transmits uncompressed HDMI audio and video, RS-232 serial and Bi-directional IR control signals up to 400 feet and supports up to 18 gbps transmission. The HDBaseT installation can control RS-232 signal devices such as scanners and touchscreen display at baud rates up to 115 Kbps.Compact, durable and easy to setup and operate. Ideal for home, businesses, test bench facilities, data centers, and help desks.You can also operate a set-top box or a Blu-ray player using its remote when at the remote monitor and vice versa.Power Over Cable - only use one included power adapter at either transmitter side or the receiver side to power both unitsHDMI Loop-out - Connect HDMI display to the transmitter for an output to local display at the source.Bi-directional IR control - enables source device to recognize remote commands from remote display or control the remote display from the source deviceRS-232 Control - accepts control commands via PC interfaceAnalog Audo-out - 3.5mm audio output on receiver for PCM output when the audio stream is along from the source.The package includes Orei UHD-EXB400R-K HDMI Extender (Sender & Receiver Units), 2x IR Tx Cables, 2x IR Rx Cables, 1x Power adapter, Mounting kit & user manual.