The Okto series HDMI keystone coupler jack has female to female HDMI pass through connections, and can be snapped into any standard RJ45 keystone cavity, within an existing wall plate, to create an HDMI wall plate. These HDMI couplers are the perfect way to pass an in-wall HDMI cable connection from your wall mounted flat panel display to your AV devices, at a price that can't be beat. Using an HDMI coupler style keystone is the fastest and most cost effective way to create an in wall HDMI connection for your home theater without the need to field terminate HDMI connections. These HDMI keystone couplers are full HD (1440P) ready and have gold plated connector pins. They are a perfect match for our RJ45 keystone wall plates and snap in securely.