The Federal Communications Commission (FCC) is suing the cellphone communications giant, claiming it purposely slowed the data transfer rate for clients who have their unlimited data package.  Company says it will refute the claims.

The FCC has hit AT&T with a $100 million dollar suit.  They say the company defrauded consumers by delivering data at a slower rate than non-unlimited customers, and at rates lower than advertised.  That's the crux of their argument, that the company committed fraud by not delivering data at the speeds they promised.

AT&T says for years it has complied with all regulations and laws, and says it's 'common knowledge' that cellphone companies and tech providers often slow data speeds in a reasonable matter to "manage their networks."

The company says it has been upfront with it's customers, and will vigorously defend against the accusations.