You can easily check your Wi-Fi signal's strength, right down to the exact dBm levels, on a Mac or PC computer. Signal strength is measured in decibel milliwatts (dBm ...

Mobile phone signal strength is crucial for ensuring good call quality and fast data speeds. We often encounter situations where mobile phone signals are weak. Generally speaking, we will judge the ...

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 ...

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Matt Elliott is a senior editor at CNET with a focus on laptops and streaming services. Matt has more than 20 years of experience testing and reviewing laptops. He has worked for CNET in New York and ...

Topher, an avid Mac user for the past 15 years, has been a contributing author to MacFixIt since the spring of 2008. One of his passions is troubleshooting Mac problems and making the best use of Macs ...

QUESTION: I had an older iPhone that I changed the signal strength indicator to an actual number instead of the bars but I can’t remember how I did it. Can you help? ANSWER: The ubiquitous signal ...

You probably know the best place in your home to make a call on your smartphone. It’s usually going by a window or stepping outside, away from any interferences. I own a modern house built primarily ...

We’ve all dealt with little to no cell phone service before, and it typically tends to come at a time when you desperately need it. The good news is you can proactively fight dropped calls and ...