rockymeza/wifi — pull request #26 by rockymeza (2014-02-01 22:20:21+00:00)
Title: Unified format for signal strength

How about the option to get a unified format either the ratio or the dbm.
You can change between the two: http://stackoverflow.com/questions/15797920/how-to-convert-wifi-signal-strength-from-quality-percent-to-rssi-dbm