5G Signal Strength By Hayden Graham | September 20, 2023 0 Comment Excellent: -50 dBm to -65 dBm (or full signal bars) Good Signal: -66 dBm to -80 dBm (or 3-4 signal bars) Fair Signal: -81 dBm to -95 dBm (or 2 signal bars) Poor Signal: -96 dBm and below (or 1 signal bar or no signal)