What is dB or Decibel, Power and Voltage Ratios Explained for Everyone | Technology Master

What is dB or Decibel, Power and Voltage Ratios for Non-Engineers. Technology Master.

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References:

https://www.circuitcrush.com/the-decibel/

https://www.rapidtables.com/electric/dBm.html

https://www.youtube.com/watch?v=errdGMyQF6k

Meshtastic 868 MHz SAW Filter, Bandpass Filter Review by Technology Master

Meshtastic 868 MHz SAW Filter Review. 868 MHz Bandpass Filter Review. Performance analysis of SAW Filter for 868 MHz Meshtastic LoRa band i.e EU_868 in Meshtastic android app region settings. Instagram: https://www.instagram.com/technologymasterkam/ Website: https://technologymasterka.wixsite.com/technology-masterkam #meshtastic #lora #ham #hamradio #offgrid #diy #technologymaster #rtlsdr

Meshtastic RF Output Testing After Region Switching for Heltec LoRa ESP32 V3 | Technology Master

Is it really 22 dbm? Does Meshtastic Heltec LoRa ESP32 V3 Actually Transmits 22dbm? Meshtastic RF Output Testing After Region Switching for Heltec LoRa ESP32 V3.

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Instagram: https://www.instagram.com/technologymasterkam/

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Part-1. Meshtastic Sub-GHz Tri-Band Devices 915 MHz, 868 MHz and 433 MHz. https://youtu.be/2Hp968yNmIQ 

Part-2. How To Switch Meshtastic 915 MHz, 868 MHz and 433 MHz Bands on SX1262 Devices. https://youtu.be/JaVYKEdwY6Y 

Part-3. Meshtastic RF Output Testing After Region Switching for Heltec LoRa ESP32 V3. https://youtu.be/Ke2e0uyvDZ4