A handrail mountable wireless components installation apparatus and related method of installation are disclosed. The apparatus/method includes a shell having two parts, a wireless components housing and a lid; and a chassis for the fixedly but detachable mounting within the shell of the wireless electronic components necessary to provide a WiFi signal, as for example a router and an antenna, the chassis equipped with two sets of brackets. One set of brackets provides the anchoring means for the fastening of the lid onto the housing. The second set of brackets allows the enclosure to be mounted on the handrail. Optionally, the chassis is provided with a mounting plate for the mounting of a router and an opening capable of accommodating an antenna without impeding the flow of the antenna signal. Optionally, the weather resistant handrail mountable wireless components installation apparatus also comprises a gasket.