Research In Motion (RIM) and Radiomovil Dipsa, S.A. de C.V. ("Telcel"), the leading wireless carrier in Mexico, announced <A HREF="http://www.rim.com/news/press/2004/pr-08_12_2004-01.shtml">the availability of the BlackBerry 7280 wireless handheld</A> to mobile professionals in Mexico. BlackBerry will operate on Telcel's nationwide GSM/GPRS network. For corporate customers, BlackBerry Enterprise Server software tightly integrates with Microsoft Exchange or IBM Lotus Domino to enable secure, push-based, wireless access to email and calendar and provides a robust platform for wireless enterprise applications.