Newer VTXs use SmartAudio 2.1+ (power in dB), while older ones use 2.0 (power in 0-3 values).
Many VTXs come "locked" to legal frequencies/power. You must apply an unlocked table or use the manufacturer’s instructions to unlock it, otherwise, you cannot use high-power modes. Reboot: Always save and reboot after applying a VTX table. To get you the exact answer, I need to know: What is the exact model of your VTX ? What protocol are you using (SmartAudio or IRC Tramp)? vtx-tables
are a crucial configuration file in Betaflight (since version 4.1) that tell your flight controller exactly how to communicate with your Video Transmitter (VTX). They map specific frequency channels and power levels (mW) to commands sent via protocols like SmartAudio or IRC Tramp . Key Components of VTX Tables Newer VTXs use SmartAudio 2
Defines available power output, mapping mW (e.g., 25, 200, 800) to dB values. Why You Need Them Reboot: Always save and reboot after applying a VTX table
Copy and paste the manufacturer-provided VTX table text into the Betaflight CLI.
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
Without a correct VTX table, you cannot change your video channel or power output via your radio (OSD/stick commands). If the VTX table is wrong, it may revert to default settings (often 25mW) every time you plug in your battery. How to Configure VTX Tables (Betaflight)