Learn about modems and Internet connections, security, sharing files and printers, and how to set up a wireless network in your home.

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All you need to do is pick a wireless plan, find a new device (or bring your own), gather a few pieces of information about your account, and we’ll get you up and running on the AT&T network.

Wireless communication (or just wireless, when the context allows) is the transfer of information (telecommunication) between two or more points without the use of an electrical conductor, optical …

Mar 17, 2026 · Wireless communications, System using radio-frequency, infrared, microwave, or other types of electromagnetic or acoustic waves in place of wires, cables, or fibre optics to transmit …

The new AT&T app delivers fast, simple control to manage wireless and home internet with AI-powered support and streamlined notifications.

Try AT&T Wireless SM FREE for 30 days! Keep your current service and number while you test drive our network from your phone.