British designed and built specifically for UK digital TV. Lowest noise figure in class. Pulls in weak signals for steady picture and clear sound when lesser mastheads cannot. Gold plated connectors and compartmentalised internal screens improve shielding. Almost impervious to local interference. Top quality components and superior plastics ensure fit-and-forget and long lifespan. Meets latest specs for low energy. Operate from 5V to 13V without performance degradation. Drive from DTT receiver with 5V line powering or from existing 12V supplies. Newest UK low energy 5V DC units operate these devices without degredation. Power source must have sufficient current capacity.