This year’s CTIA Wireless trade show in Las Vegas brought some new devices and more talk about higher-speed wireless technologiesHere are some notable trends seen at the industry confab: This was really a show dominated by Google’s Android mobile operating system.

AT&T kicked off the show with the Dell Aero, while Motorola showed off its first Nextel-compatible Android phone, complete with military specifications and the standard walkie-talkie feature.