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 ...

While strength is often visually represented in the form of cones, bars, or dots, it’s really calculated in the form of decibels per milliwatt, or dBm. A perfect signal is -30dBm, which you’ll ...

Windows: You’ve seen the dreaded bars before—that fun little graphic that indicates the strength of your wireless connection. While full bars mean you’re probably getting good wifi speed, you’ve also ...

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 ...

The bars on your smartphone represent the signal strength that your phone has received. It could also be used to determine ...

The signal bar on your phone doesn’t reflect the true amount of signal your phone can connect to. That’s why sometime you could have a full bar and still be unable to make phone calls. Bad reception ...