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The reading is often displayed as a negative number, like -91 dBm, for example. The signal strength reading is typically displayed in decibels (dBm). Once the signal strength reading is displayed, you will get readings facing all four cardinal directions (North, South, East, and West). Or you can use a search engine to find the term "Signal Strength Reading' or 'Field Test Mode.' Or contact your phone manufacturer's customer service department.
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Consult the operations guide that came with your phone. Where to find the signal strength reading in your phone's menu tree varies by manufacturer, model and operating system. Once you know the tower location, point the main center beam of the Yagi in the direction of the cell tower.ĭisplay your phone's signal strength reading.
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You can use a search engine to find one of the many tower location sites on the Web. First, find out where your cell carrier's nearest tower is located.
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