NBN Fixed Wireless frustration

Where I live, in country Victoria, internet is via NBN fixed wireless. I pay AU$100 a month for unlimited. Signal strength was not full bars and would sometimes drop in rain - probably because the signal path goes through trees. Speeds were about 20-30Mbps download and that was enough for streaming video and video calls.

A few months ago, there was some sort of upgrade and speed jumped to over 50Mbps download. I was very pleased.

About a week ago there were three days of disruption due to an NBN "upgrade". At the end of that period, signal strength had dropped and speed was down to sometimes 2Mbps.

I tried the normal things, turning off the NBN box for periods of time and back on again, hoping it would re-sync or something. We have a Facebook group for local residents and I posted there asking if other people were seeing the same thing. Two others said yes so presumably there are others as well. A few of us reported a fault via our providers. I'm with Telstra so started the process via the chat. 

Note that they don't make it easy to report a problem and, I guess correctly, they said the connection was working.

The support people clearly use a script and even though I listed all the steps taken so far they seem oblivious of this and asked me again.

There are frustrating terminology issues. They asked about the "modem" and I thought they meant the NBN fixed wireless modem but in fact they meant the Telstra Wifi router. 

It's strange that they have no visibility of other customers having issues and NBN rarely seems to be aware of any problems. Surely a network operator has monitoring in place?

After several hours doing things including plugging a laptop in to the NBN device via an Ethernet cable they agreed there was a problem and escalated to NBN. A technician was booked to visit my house in four days time. Another local said she had an appointment on Tuesday. You might think they'd visit all properties at the same time.

In the end all of our visit appointments were cancelled and magically the signal strength is now better than ever and bandwidth looks better than ever.

However, during the outage period I decided to order Starlink. The gear should arrive within the next few days and I'm fascinated to try it out. I have some concern about obstruction from some tall trees.

It's great to have another option.

Update

Amusingly Telstra just emailed to say the price is going up.