The angled bracket is designed to simplify the mounting of Matrox appliances to VESA-compliant mounts (for example, behind VESA compliant monitors or onto pre-existing VESA mounts).Compatible Matrox products:Maevex 5150 decodersQuadHead2Go Q155 applianceQuadHead2Go Q185 applianceExtio N3408 applianceExtio N3208 applianceConvertIP Series