Often, the best place for the Cradlepoint CR4250 is in a 19" rackmount enclosure located in a telecommunications closet, computer floor, or equipment room. The 170764-000 rack mount kit comes is convenient for these situations. The rackmount brackets secure a CR4250 router into any standard 19" vertical cabinet. The kit includes fastening hardware and two durable metal brackets with flanges that mate to the vertical side rails. The dimensions of the 170750-000 with a router are approximately 1U in height and 5.25 inches wide.