Your LAST Nano VTX!
Dsigned by Oscar Liang, Developed by AKK.
Oscar's Backpack VTX Support Smart Audio
https://www.akktek.com/products/osca...kpack-vtx.html
Key features
Support Pit Mode
25mW and 200mW switchable
One button frequency and power setup
OSD configuration using smart audio
5V to camera @ under 300mA