While I am waiting for my cellphone signal booster to arrive, (which also works on broadband cards) I figured out a really simple method that actually gets you better broadband signal in your car.
So here’s how to get better broadband signal when you are working inside your car like me:
Simply, pull all your windows down.
If you have a sunroof, open it up as much as you can.
I just went from 2-3 bars to like 4-5 bars with that.
You can also try op