When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. We rely on our smartphones more than every before, so it's vital that your wireless service ...

With the Luddite revival in full-swing, here are five dumbphones that can still run WhatsApp — and a few others.

GSM networks consist of cell site radio towers, communication links, switching center(s) and network databases and link to public telephone and data networks. The main switching system in the GSM ...

Other key features include quad-band GSM, Bluetooth ... is not currently available from any major U.S. carrier. It is compatible with some U.S. networks, and may be available from third-party ...

Macworld Ever since Apple shocked the tech community with its announcement that it would support RCS, we’ve been waiting for ...

It's also important to remember that not all carriers support all smartphones -- there ... One final caveat is that T-Mobile relies on a GSM (Global System for Mobiles) network rather than CDMA (Code ...

If you want to eavesdrop on GSM phone conversations or data, it pays to have deep pockets, because you’re going to need to listen to a wide frequency range. Or, you can just use two cheap RTL ...

This high-end GSM world phone sports a high-resolution ... This phone is not currently available from any major U.S. carrier. It is compatible with some U.S. networks, and may be available from ...

A GSM network uses two separate networks ... to be able to offer roaming services), providers use international carriers (France Telecom, Belgacom, Teleglobe, Swisscom, British Telecom, and so on), ...

Our guide to the best Verizon phones is perfect if you're currently weighing up your options or simply want to know what's available right now at the nation's leading carrier. Whether you're an ...