RPi4 for long range telemetry over a 4g connection

Hi to all.

I tried setting up a Raspberry pi 4 to send receive Mavlink via the Telemtry 2 port of an Orange Cube.
As I am new to rpi, I followed some Youtube videos like these below.

I am stuck and feel like I should just start over!
Are there any updated guides to install everything on the rpi?
Perhaps the videos are outdated for a rpi4?

Follow this video https://youtu.be/nIuoCYauW3s?si=P6x7DA1FvS9JeLg9.

Iam using rpi 4 and it worked for me.


Look here:

UAV 4G Tool