The unstoppable CyanogenMod, Android's most popular custom ROM, is gaining yet another cool feature as of today, which is kind of reminiscent of the exact battery percentage mod that has become one of my favorites.

Starting with tonight's nightlies and future stable releases, those green signal bars ("can you hear me now?") can be replaced with the exact signal strength measurement, in dBm (decibel-milliwatt is an electrical power unit in decibels (dB), referenced to 1 milliwatt (mW)).

Definition: A "nightly" is a bleeding edge release that is built on a daily basis, usually at night after a full day's worth of new code has been committed.
Read More