The Kingray MDA-20U ultra low noise digital mast head distribution amplifier is ideal for single aerial Freeview HD applications. The MDA20U is an F Type, single input fully shielded masthead distribution amplifier designed to amplify 470-860 MHz. Whether the unit is used as a masthead or distribution amplifier the low noise figure, capacity for multiple channels with low distortion and a high output has proven to be effective in all installations, especially digital problem areas. Learn More