Leviton provides a variety of empty plastic and metal brackets to accommodate an installer's need to customize panels for voice & data and security distribution. The Single, Half-Width and Expansion brackets accept any product from the Expansion Board family with an easy snap catch mounting design. The Data bracket is designed with universal screw holes to mount a variety of cable modems and routers into the Leviton Structured Media Center. The Universal and Shelf brackets are for use with a variety of security panels and batteries on the market.