HE02EI is a 4K HDMI extender that uses HDBaseT technology to send uncompressed HDMI and bi-directional IR signals over a single Ethernet (CAT5e, CAT6, or CAT7) cable with resolution up to 4K@60Hz 4:2:0 and transmission distance up to 70M. The HDMI extender allows you to not only watch a high-resolution video but use an IR remote to control your HDMI display at a long distance. It's a perfect solution for digital signage, home theaters to reduce cabling works and costs.