In addition to my earlier
@Smergen , this site
https://oztowers.com.au/ will show you how far away a tower is, what type of service and what Telco's are available. Just click on the search button, it also has a map so you can see where the things are, handy to know in advance if any signal available.
Usually if the tower is 7km or more away, for a good Broadband signal then an external aerial is best, though at the moment I'm using my phone sitting on the windowsill as I want to burn some of it's data up and the tower is about 9k away so things are a bit slow and i'm lazy to put aerial up.