Hi
Further to this, we have had an update from Happymodel:
The mobula8 spi elrs version is not MSP protocol vtx , its VTX Smartaudio
So you need to change port settings like this picture , and go to CLI command then copy the commands
# vtxtable
vtxtable bands 6
vtxtable channels 8
vtxtable band 1 BOSCAM_A A FACTORY 5865 5845 5825 5805 5785 5765 5745 5725
vtxtable band 2 BOSCAM_B B FACTORY 5733 5752 5771 5790 5809 5828 5847 5866
vtxtable band 3 BOSCAM_E E FACTORY 5705 5685 5665 0 5885 5905 0 0
vtxtable band 4 FATSHARK F FACTORY 5740 5760 5780 5800 5820 5840 5860 5880
vtxtable band 5 RACEBAND R FACTORY 5658 5695 5732 5769 5806 5843 5880 5917
vtxtable band 6 LOWRACE L FACTORY 5333 5373 5413 5453 5493 5533 5573 5613
vtxtable powerlevels 5
vtxtable powervalues 10 2 14 20 26
vtxtable powerlabels 0 RCE 25 100 400
set vtx_band = 4
set vtx_channel = 1
set vtx_power = 5
set vtx_low_power_disarm = ON
set vtx_freq = 5740
save