When I go to the usb modem page it says I have -114 dBm
According to Meraki website, that's 5 bars, full signal strength
Signal Strength Indicator
If a cellular modem is capable of reporting signal strength to the appliance it is attached to, the dashboard will display it in a count of one to five bars, corresponding with the following values:
Bars | Signal Strength (dBm) |
1 | ≤ -102 |
2 | -93 |
3 | -87 |
4 | -78 |
5 | ≥ -40 |