Variable gain control to optimise signal strength. Boots digital and analogue TV, FM/DAB radio signals in weaker signal areas. Specifically designed for use with any Maxview Touring Aerial. Feature professional gold plated F connectors, blue lED power indicator and low power consumption. Includes: F to coaxial cable, 12/24V fused power cable, mounting accessories and full instructions. Fuse type: 2A F type 1 1/4 x 1/4. Frequency: 40-860MHz. Gain control: 0-18dB. Input voltage:12-24V DC. Noise: 4dB. Designed for continuous use. Ref: UTMD823