NBN Help

NBN Fixed Wireless — common problems and solutions.

Fixed Wireless NBN uses a dish on your roof to connect to an NBN tower. It has different failure modes to cable-based connections.

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Why this happens

Tower congestion during peak hours
Line-of-sight obstructions (trees, new buildings)
Weather-related signal degradation
Antenna alignment drifting over time
Tower maintenance causing planned outages

How to fix it — step by step

1. Check for tower outages
Fixed Wireless towers serve a geographic area. When one goes down, whole neighbourhoods lose service. Check your ISP's outage page first.
2. Check the antenna alignment
Strong wind or a knock can shift the roof antenna slightly. Even a small change in angle can drop signal. This requires a technician — don't attempt to adjust it yourself.
3. Look for new obstructions
A tree that grew, a neighbour's new shed, or a construction crane can block line-of-sight to the tower. If you've had a new structure appear near your home and speeds dropped at the same time, this is likely the cause.
4. Check signal level in your NTD
Some Fixed Wireless NTDs have a web interface showing signal strength. A signal below -80 dBm is weak and may cause instability.
5. Report persistent issues to your ISP
Fixed Wireless congestion on a tower is an NBN Co capacity issue — your ISP escalates it on your behalf. Document the times and speeds so they have evidence.

Still having trouble?

If none of these steps resolve the problem, it may be an issue with your current provider. HIT Pacific offers transparent pricing, faster fault response, and local support.

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