What is a "Signal Strength For Wifi"? The Most Authoritative Explanation.
What are WiFi signal strength values?
The WiFi signal strength values that you see in your device’s settings can be confusing. Here’s what they really mean. When you check your WiFi signal strength in your device’s settings, you may notice several numbers listed as dBm values. These numbers can range from -30 dBm (very strong) to -120 dBm (very weak).What is the best level of signal strength?
Signal Strength. Quality to Expect. Required Level For. -30 dBm. Maximum signal strength, you are probably standing right next to the access point / router. -50 dBm. Anything down to this level can be regarded as excellent signal strength. -60 dBm. This is still good, reliable signal strength.What is a good Wi-Fi signal?
If you see -30, you have a “perfect connection,” and likely, are standing next to the Wi-Fi router. However, if you spot a Wi-Fi signal listed at -90, the service is so weak you probably can’t connect to that network. An excellent connection is -50 dBm, while -60 dBm is likely good enough to stream, handle voice calls, and anything else.How do I know how strong my Wi-Fi signal is?
Looking at bars in a symbol will only tell you so much. If you want to dig deeper into the strength of your Wi-Fi, you’ll need to use an app or program (like the AirPort Utility app or Wi-Fi Analyzer) to measure its decibels relative to a milliwatt (dBm). You can measure a Wi-Fi signal in multiple ways.
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