A SIM (Subscriber Identity Module) card is a removable chip located in mobile phones, tablets, smartwatches and other connected devices that links them to cellular networks and allows you to make ...

eSIMs are becoming a popular option for smartphone owners, with a virtual SIM providing users with dual-SIM features and the ability to switch between carriers without the need to remove or replace an ...

From service in the US to regional or global travel, the best eSIMs we've tested will help you stay connected wherever you go. I’m one of PCMag’s mobile writers. That means I check out phones, ...

Clicks Communicator is a BlackBerry-like smartphone with a physical keyboard. There's also the Clicks Power Keyboard, which ...

Xiaomi launched the Watch 5 in China alongside the Xiaomi 17 Ultra. The new smartwatch features a circular AMOLED display, a ...

One SIM card + SD card Dual SIM + SD card: Your phone has two card slots, each of which accepts a SIM card (2 SIM cards total). You can use two different plans simultaneously.

Spam calls have become such a nuisance that many people simply don't answer their phone unless they recognize the number. In iOS 26, though, you can learn about who's calling before you respond, ...

Discover Apple’s 2026 OLED MacBook Pro with a stunning display, touchscreen, M5 chips, and a thinner design. A laptop ...

Nordic Semiconductor’s nRF9151 SMA DK development kit is designed for building IoT applications using LTE-M/NB-IoT cellular IoT, DECT NR+, or 5G NTN (Non-Terrestrial Network) satellite connectivity.

Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

China wants a human to intervene and notify guardians if suicide is ever mentioned.