The UT-89904F is a faceplate it utilises wall space by allowing you to make a 1 to 4-Port network socket in the position of your choosing. Providing there are four CAT5e cables running to the designated location of the UT-89904F creating a neat & useful 4-port Ethernet source. To be used with:UT-8700 Cat 5e modules UT-89900B Blanking plates Specification • UK Type dual gang faceplate• 85mm x 145mm• Space for four modules• Screws supplied