dB and dBm for dummies

How to easy calculate and understand dB and dBm

Decibel cover made by — tartila, user3824803 and nsit0108

Decibels are something most people associate with sounds and loudness in the sense of sound pollution. But it has a lot more to offer than barely indicating a number, that informs you if the noise coming from the new washing machine is okay. Or if the new car you purchased will drive your neighbor crazy with loud noises 5 in the morning when you…