With the HDMI-A keystone coupler you can extend your HDMI cable or you can insert the keystone into a rack panel, a wall socket or a table insert. The dimensions of keystone modules all follow a standard so they can be mounted easily on suitable holders. · Connections: HDMI-A jack to HDMI-A jack · Angle: 90° down · Resolution up to: 4K2K (60 Hz), 4K2K (30 Hz), 1080p (3D) · Supports color sampling in 4:4:4, 4:2:2 and 4:2:0 format · Supports: ARC, HDCP, 3D, CEC, HEC, HDR10, HLG · Bandwidth up to: 18 Gbps · HDMI Standard: High Speed with Ethernet · Housing material: plastic · Gold plated connectors · Color: white