What remote do you have? You can get the FCC transmission if using the RC2 and if you have an iPhone. Read up on this site and check out their Facebook page.
https://www.drone-tweaks.com/dji-rc
See this FAQ on this post and it explains it.
https://static.wixstatic.com/media/c28c00_64473b00ff9a43c3acfd85552041c502~mv2.png
https://www.drone-tweaks.com/faq