T-Mobile USA, the fourth-largest mobile phone company in the United States, is preparing to launch a service this month that will allow people talking on their cell phones to seamlessly switch between ...

Although vendor-written, this contributed piece does not advocate a position that is particular to the author’s employer and has been edited and approved by Network World editors. Growing cellular ...

When you ‘re on vacation, digital security is rarely top of mind. As we head out again this summer, just remember: Free Wi-Fi hot spots are convenient, but not the same as using your wireless network ...

Wi-Fi Assist can help you with weak Wi-Fi coverage for your iPhone or cellular-equipped iPad by switching to cellular data when the current Wi-Fi network isn’t performing consistently. But what about ...

If you have both cellular and Wi-Fi, why not use both? At Mobile World Congress, Alcatel-Lucent is demonstrating a way to do that as part of the same network. Cellular and Wi-Fi are rubbing shoulders ...

Marguerite Reardon started as a CNET News reporter in 2004, covering cellphone services, broadband, citywide Wi-Fi, the Net neutrality debate and the consolidation of the phone companies. T-Mobile USA ...