Just about every single one of us has experienced the plummeting bar signals where it suddenly drops from four bar signals to just one… or simply gives up. From spotty reception to call drops – we’ve all been there, and it can be exasperating and bewildering. And we know what causes it. We also know we have options, but where do we start? Here’s a quick five-point questionnaire to help you navigate through the due-diligence process of your in-building cellular coverage project, pre-commencement.