

30 dBm: This is the maximum signal strength. Here is what the scale looks like and what each signal strength measurement means: Any signal between -67 to -30 dBm will let you perform most online activities. Likely, you do not have a perfect signal, but that is OK. What is a good signal?Ī perfect signal is -30 dBm. Signals measured in dBm will display as negative numbers. Understanding different measurements like milliwatts (mW) or Received Signal Strength Indicator (RSSI) can be helpful, but it is more common that you will see signals measured in dBm. Wi-Fi signal strength is measured in multiple ways, but the most common is in decibels per milliwatt (dBm). It doesn’t matter if you are using a phone, tablet or laptop, you will need a strong Wi-Fi signal for all of them to browse the web, check emails, stream videos and more. We wrote a whole article on how to run a test to check your Wi-Fi signal strength. You need a good Wi-Fi signal strength for different online activities. Wi-Fi signal strength refers to the reliability of your Wi-Fi network connection. Have you ever had your Internet completely cut out? Sometimes, this is because of obstacles, but other times it is because you have a bad Wi-Fi signal strength.


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