A designation indicating that a phone supports two different frequency bands. Not meaningful without knowing which two bands and which technologies the phone will work with. For North American TDMA ...

Abstract: In this paper, a dual-band impedance matching method is proposed and applied to the design of dual-band power amplifier. The proposed impedance matching network can control the bandwidth of ...

Abstract: This article presents a 32-element 28/39-GHz dual-band phased array for fifth-generation (5G) communication systems. The array is based on separate sets of SiGe transmit/ receive (Tx/Rx) ...

Originally hailing from Troy, Ohio, Ry Crist is a writer, a text-based adventure connoisseur, a lover of terrible movies and an enthusiastic yet mediocre cook. A CNET editor from 2013 to 2024, Ry's ...

4G bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 46, 48, 66, 71 - A2172 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18 ...

Ready to beef up your Wi-Fi network? A wireless range extender is a less expensive alternative to a new router. (Some can even turn your router setup into a mesh system.) Here are the top performers ...

4G bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 42, 46, 48, 66, 71 5G bands 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77, 78 ...

I’m the deputy managing editor of the hardware team at PCMag.com. Reading this during the day? Then you've caught me testing gear and editing reviews of laptops, desktop PCs, and tons of other ...

If your Wi-Fi speeds can't keep up with your demanding video chat needs, an expensive new Wi-Fi mesh system or an internet service upgrade may help. If you're not interested in spending that much, ...

I've been a big fan since Roku launched more than 10 years ago, and although I've tested all the players on the market, I always come back to Roku for my personal use. That's because Roku streaming ...