Decibel || Why -3dB || half power point || Is it -3dB always || 0 dB
![](https://i.ytimg.com/vi/ePtFD3z8WwU/mqdefault.jpg)
14:42
LoRa/LoRaWAN tutorial 5: Decibel, dBm, dBi, dBd
![](https://i.ytimg.com/vi/u40kX1DYKdA/mqdefault.jpg)
7:39
Decoupling Capacitors - And why they are important
![](https://i.ytimg.com/vi/aR_TMKnJzZM/mqdefault.jpg)
12:35
Fonction Excel MOD
![](https://i.ytimg.com/vi/mLMfUi2yVu8/mqdefault.jpg)
20:48
EEVblog #49 - Decibels (dB's) for Engineers - A Tutorial
![](https://i.ytimg.com/vi/ZMgd2obTZyc/mqdefault.jpg)
8:19
What are Decibels and why are 3dB and dBm important?
![](https://i.ytimg.com/vi/kofi_P9oLNQ/mqdefault.jpg)
11:07
Understanding dB Math
![](https://i.ytimg.com/vi/wGE4tjATecY/mqdefault.jpg)
2:50
What is Antenna Gain?
![](https://i.ytimg.com/vi/pvxr-aouzVk/mqdefault.jpg)
28:49