![]() Checking the dBm reading on your Android phone will help you test the actual signal strength your phone is receiving. Download and install an app or program for your wireless device that can measure the signal strength of a Wi-Fi connection. Find Android signal strength with field test mode. WatchGuard, the WatchGuard logo, WatchGuard Dimension, Firebox, Core, Fireware, and LiveSecurity are registered trademarks or trademarks of WatchGuard Technologies in the United States and/or other countries. Knowing your Android’s signal strength can help you determine why your Android isn’t getting the cell service you need to call, text, share, or browse. If you have a -41dBm signal strength, and a -96dBm noise level, this results in an excellent signal-to-noise ratio of +55dBm.If you have a -41dBm signal strength, and a -50dBm noise level, this results in a poor signal-to-noise ratio of +9dBm.Lower values than +25dBm result in poor performance and speeds. In general, you should have a minimum of +25dBm signal-to-noise ratio.This value is represented as a +dBm value.The signal-to-noise ratio (SNR) is the power ratio between the signal strength and the noise level. ![]() For example, -96dBm is a lower noise level than -20dBm.
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