Trick question: Would another dtb help in identifying that wifi chip?
I know how bad realtek's support is on linux, I have seen it all those 15+ years that I use it as my main os, so yea, no need to apologize for not including drivers for it in the image.
Regarding dtb files, I searched the ones from ce and the one I used back then is indeed gxb_p200_1g. Its github page has them too, and they seem like plain text files.
If there is a way to reinstall either android or ce, I would like to know how. I would prefer ce, because android on it is just unusable garbage.
I am now looking through dtech's thread in case I ever posted some hw id from it there. For the record, dtech also has an image file for s905 with realtek wifi.