# La différence entre dB, dBm, dBc, dBi, dBd

#### [http://m.fr.opticomfiber.com/info/the-difference-between-db-dbm-dbc-dbi-dbd-43932622.html#:~:text=dBi%20et%20dBd%20sont%20les,les%20deux%20sont%20l%C3%A9g%C3%A8rement%20diff%C3%A9rents](http://m.fr.opticomfiber.com/info/the-difference-between-db-dbm-dbc-dbi-dbd-43932622.html#:~:text=dBi%20et%20dBd%20sont%20les,les%20deux%20sont%20l%C3%A9g%C3%A8rement%20diff%C3%A9rents)