dB, mW and dBm Differences Explained (05-02-02)

Ever wondered what the difference is between dB, milliwatts (mW), and dBm in optical networking? This #brainsnack video with Thomas Petigk breaks it down in a clear and practical way - perfect for beginners and pros alike. What You’ll Learn: - Why we use logarithmic scales in optical power - The difference between absolute (dBm) and relative (dB) values - How to convert and calculate power levels - A simple rule of thumb for quick estimations 00:00 – Introduction: Why dB, mW, and dBm matter 00:40 – dBm vs dB: Understanding absolute and relative power 01:50 – Real-world examples and simple math 03:00 – Rule of thumb: Doubling power and adding dB 04:00 – Final thoughts and tips If this helped you, don’t forget to like, comment, and subscribe for more optical networking insights! #transceiver #wdm #insidethecube