What do you use to animate your videos?
I used Adobe After Effects for my early videos, and now I use Blender.
Can I reuse these videos/Is it okay to use the material in my own work?
Absolutely! Everything on this website and on my YouTube channel are licensed under CC BY-SA 4.0, so you can reuse the content with proper attribution.
What books do you recommend for learning Wireless Communication?
To study 5G, I recommend the book “5G New Radio in Bullets” by Chris Johnson.