I have decided to try one of these:
https://www.officeworks.com.au/shop/...SAAEgIvJ_D_BwE
I don't think I will need a WiFi extender, but I might get one anyway because they are so cheap now.
If my research is correct these little things can be voice controlled via Alexa, etc. " Alexa turn the observatory power on". I imagine a future where we can just say "Alexa, Park the scope and close the roof."