Defines available power output, mapping mW (e.g., 25, 200, 800) to dB values. Why You Need Them

Are you trying to configure this in ?

In Betaflight Configurator, check the Presets tab for your specific VTX model (e.g., Rush Tank, TBS Unify).

Once I know this, I can help you find the right VTX table or tell you how to set it up. How to configure VTX tables for drone? - Facebook