 Cleans and boosts video signals in long coax cable lines. This unit is for use in long cable runs or when cabling an electronically 'dirty' environment cannot be avoided. Predominantly used in retail promotional video networks, etc. in shopping malls for plasma screens or CCTV image, security, etc. It is not designed for putting right poor installations; it is for correcting general problems associated with long distance or multi-point Video Distribution. | 
