Here’s how to use the app to determine the signal strength of your Wi-Fi. For iPhone users, we highly recommend the AirPort Utility app.

Now that you understand the dBm scale, you’ll need to install a third-party app to help you check your Wi-Fi signal strength. If your Wi-Fi signal is this strong, you’re likely very close to the access point. -30 dBm – This is the strongest Wi-Fi signal.You’re unlikely to face any buffering and lags, and your download and upload speeds should be quite fast. -50 dBm – This is a stronger signal, and you’ll have faster internet speeds.You can perform all activities that require an internet connection. -70 dBm – This signal strength only supports very low-connection internet activities such as opening emails.You might be able to connect to the network, but you won’t be able to access any internet services. -80 dBm – This signal strength is highly unreliable.With this value, you won’t even be able to connect to the Wi-Fi network.

-90 dBm – This is the weakest Wi-Fi signal strength.

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