The Labgear 4 output UHF Masthead Amplifier has been designed to improve signal performance to up to four outlets in weak UHF TV signal areas. This Amplifier is designed for mast fixing with the releasable cable tie provided or for wall fixing using the drill out tabs. The Labgear range of mast amplifiers all come with F type connections and a fully screened casing. With this product you will need a power supply like the Labgear PSM114.
Full installation instructions can be downloaded here