Category Archives: bars

What Do Cell Phone Reception Bars Mean?

Posted on January 13, 2008 by Joel Johnson

Excellent—and I’m going to presume accurate because it has the Stink of Science™—answer from an Ask Metafilter reader about what those five bars actually indicate on your phone. The technical term is “EC/I0″ (pronounced “ee-see-over-eye-naught”) and it refers to the … Continue reading →