![]() It can give you dBm readings and shows cell performance on a map. RootMetrics uses user information by testing network performance when consumers use their mobile phones. dBm and antenna or tower location is shown along with the tower’s individual connection strength. This app shows a summary of your mobile network as well as current coverage and signal strength in percentage. Open Signal is available in App Store (Mac) and Android's Play Store. OpenSignal has several maps with information about the coverage of various networks including 3G, 4G (LTE) and 5G. It also shows RSSNR (Reference Signal to Noise Ratio) which measures the noise of the mobile line in dB. Green is good, red or white show connectivity problems. The color-coded map indicates sent and received signal. ![]() Network Cell Info covers all cellular networks including LTE, HSPA +, HSPA, WCDMA, EDGE, GSM, CDMA, EVDO. Unfortunately, this one is only compatible with Android. It measures dB level and your nearest cell tower. This app has a band identifier, automated visual logger, advanced LTE, 4G, 5G, CDMA data analyzer, among other features. Best Apps to Find your Signal Strength for Android and iPhone LTE Discovery This will show you the general direction of your cell tower and which rooms inside your home have the best reception. Make note which areas get the best dBm reading. Got your dBm reading through Field Test mode or an app? Walk around inside and outside the perimeter of your home. However, you can generally find it under the Settings menu. How to find a precise dB reading on your Androidįield test mode on Android varies by phone model and Android OS version. If this doesn’t work, your phone is one of the unfortunate ones that has no real way of measuring its dBm reading. One of those should have a negative number, which means your signal strength in decibels.
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