Kevin McCaffrey, of Nottingham (that's Baltimore County) and Linda Wrinn, of Baltimore, are the two lead plaintiffs in the suit.
As soon as the iPhone 4 debuted last week, consumers started reported weird issues with its apparent reception. When users gripped the phone a certain way, the coverage bars drop, according to complaints heard around the Internet.
(Aside: I own an iPhone 4 and I do notice coverage bars dropping whenever I grip the phone at the bottom, but personally, it hasn't impacted my reception and use of the phone.)
Below is a graphic that illustrates the problem that consumers are reporting. The phone thus far has been a huge seller, but it remains to be seen how long-term sales will be affected by this issue with the antenna.