A television signal originates from a transmitter that sends information from an audio and visual source to an amplifier or repeater to the digital receiver of an A/V device, such as a television. The ...

Do you know the exact spot with the maximum Wi-Fi signal strength in your house? Well, you can probably tell that by the number of solid bars in the Wi-Fi icon in the taskbar. But that might not be ...

We all check how many bars we have on our smartphones and assume it’s an accurate guide to how strong our signal is. But what do those bars really represent? “There’s no standard. They do indicate ...

The iPhone 3G automatically switches between 3G and 2G networks for voice and data connections. In theory, the phone should hop off 3G when signal strength is too low or non-existent, and hop back on ...