InternetNews' David Needle reports today that Research In Motion, as expected, has announced its new BlackBerry 8820 smartphone, soon to be available through AT&T Wireless. No pricing was announced.

"The mobile device is RIM's thinnest smartphone and its first dual-mode handset," needle writes. "The 8820 combines EDGE/GPRS/GSM cellular and Wi-Fi connectivity for data access and voice support; it also includes a built in Global Positioning System (GPS)."

"The BlackBerry 8820 complements our carrier partners' cellular networks with the added ability to stay connected via Wi-Fi at home, through hotspots and corporate campuses," says RIM president Mike Lazaridis.

More here from InformationWeek ... more here from CNET News ... more here from RCR Wireless News ... more here from Reuters ... and the press release is here.