If you really want to know how strong your cell signal is, you need to look at a direct measurement of the signal strength, as measured in decibels (dB).

You can easily check your Wi-Fi signal's strength, right down to the exact dBm levels, on a Mac or PC computer.

This article appeared in Microwaves & RF and has been published here with permission. Phase stability means reliable performance in specific test-and-measurement applications that call for a close ...