The Antop Aero plus AT-221BV's Indoor HDTV antenna is Smartpass amplified and boasts a range of up to 65 miles. Detachable VHF Enhancement Rods allow for multi-directional reception and helps to strengthen VHF reception for channels 2-13. It's modern panel design with hair-line finish is aesthetically pleasing and suitable to match a wide range of home d�cor styles and can be installed in various locations around your home: on a wall or on a tabletop. The Aero plus supports HDTV, 1080P TV and 4K ULTRA HD and is compatible with TV converter boxes or digital TVs.