Are you receiving me?
When you run into WiFi signal issues, it can be quite tricky to troubleshoot. WiFi signal boosters and boosters are often next to useless, many models simply don’t boost the signal much or you need to string several together to get line of sight to the router. The days of external antenna ports on laptops are over, so the old Pringles can be deceiving it only works on some models now. If you have a spare satellite dish you can always stick a receiver in the middle, but it can be an eyesore.
Hackaday has posted a project that might be just the solution you need, with instructions on how to build your own helical antenna. This should be strictly for reception, as some countries have very strict limits on how much power you can transmit on the 2.4GHz range. It’s quite effective at boosting reception, outperforming a Maxlink antenna Dereksgc bought for comparison . You will need access to a 3D printer to use the CAD files provided to create the antenna. There’s also a helical antenna calculator you can use to determine the specs you’ll need.