Q: Wifi card injection

Hello olemsiul,

I am unsure of your situation but if you are wanting to know about Wi-Fi interference, then take a look a the article below. It will detail different sources of interference that you may come across while using your MacBook Pro. 

Potential sources of Wi-Fi and Bluetooth interference
https://support.apple.com/en-us/HT201542

If that is not what you are looking for, please write back in more detail what is going on so I or others can best assist you. 

Take care

Hey olemsiul,

I am still not following. I think the best thing would be contact Apple Support to get your question answered. You can do that from the link below to get that started.

Contact Support
https://support.apple.com/contact

Take it easy