Upgrade GSM and GPS moduls?

Hello guys, I hope I'm right here and you can understand me. :o
I wanna buy an Android box like the Scishion V88 for my car-pc project. For Google Maps and other Apps, I need GSM and GPS and I know no box, which provides both.

So my question: Is it possible to upgrade GSM and GPS USB sticks on Android 5.1? On my research, I found some topics but these topics are very old.
I think it's not plug & play but no problem, because I wanna use an custom rom for the box.

Have anyone information for me?

Best Xposed Moduls for Z5

Hello Guys,

i want to know wich xposed moduls do you use on stock z5.
At the moment i use Android N-ify and Gravity Box MM.

Please Post it like:

Module:
Android Version
Maybe Screenshot

Thanks