New and unused.  The AP-270-MNT-H1 mounting kit supports multiple access point (AP) models.  Package Content: Horizontal Mounting Bracket x 1, Mounting Holder x 1, M10x30 Screw (with washer) x 1, M10 Nut x 1, M6x20 Screws x 3, 60cm Cable Tie x 1, 6 inches Hose Clamps x 2, Mounting Template, and Installation Guide.