The amplified indoor loop aerial is optimized for reception of Full HD digital TV signals. For best performance One For All recommend to use this aerial within a range of 9 miles from your nearest transmitter. This indoor aerial is compatible with DVB-T programmes broadcast in Full HD format. No need to point the aerial in any particular direction. Its multi-directional technology helps with the reception of more channels, avoiding blind spots. Minimal interference thanks to the active noise reduction filters. Including 3G/4G/5G filters for crystal clear reception. No need to look for an available power socket near your TV, this aerial is powered directly by your TV or STB's USB port.