Boats typically don't scan local RF unless they need to for the simple reason that boats - especially LARGE boats - are absolutely godawful environments for wif

Boats typically don't scan local RF unless they need to for the simple reason that boats - especially LARGE boats - are absolutely godawful environments for wifi. Metal panels between each deck and most of the walls, instruments and engines and microwave ovens running at all different times every shift generating RF noise... you almost need an extra repeater/access point for EVERY SINGLE ROOM and running on separate channels if you want it to be at all reliable.