Huh? We turned off 2.4 GHz in the office three years ago without notice. This was due to a huge hotel going up next door that seems to have an AP going full bl

Huh? We turned off 2.4 GHz in the office three years ago without notice. This was due to a huge hotel going up next door that seems to have an AP going full blast in every room making 2.4 GHz unusable. Nobody noticed or complained. And I know we have lots of really old Androids in use by staff.