The 4K HDMI Cascaded Extender (120 meters) is designed to extend 4K HDMI high- definition signals and infrared control signals over Cat5e or Cat6 network cables(CAT5e/6) for up to 120 meters (using CAT6). It supports cascading one-to-many extension functionality and supports a maximum video resolution of 4K@30Hz. With infrared signal passthrough, it allows remote control of source devices. This product is widely used in outdoor advertising, video surveillance, exhibition displays, video conferencing, and more.