Perfect" signal strength for any mobile signal in a phone should be around -60 to -65 dBm Good considered -75dBm to -88dBm, 125dBm or worse considered no signal (higher numbers, closer to 0 are better)
Cellular 4G LTE Signal Strength Perfect -60 to -65dBm | Good -75 to -88dBm Print
Modified on: Fri, Feb 19, 2016 at 2:38 PM
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