Business NBN vs Fibre vs 5G Fixed Wireless: How to Choose
Business NBN, gigabit fibre or 5G fixed wireless? How to pick the right business internet for speed, reliability and budget.
Choosing business internet shouldn't feel like decoding a spec sheet. Most businesses are weighing three options: business NBN, gigabit fibre, and 5G fixed wireless. Each one suits a different kind of site, budget, and tolerance for downtime. Here's a plain-English look at how they actually differ, so you can pick the right fit instead of the loudest sales pitch.
Pick the connection that fits
Every plan is fully managed, monitored 24/7, and includes free WAN security and a static IP.
Business NBN: the flexible all-rounder
Business NBN runs over whatever NBN technology reaches your premises (FTTP, FTTN, HFC, FTTC, FTTB or fixed wireless), with speeds up to 1Gbps. It's the practical choice for most small and mid-sized offices because it's widely available and cost-effective. The catch is that real-world speed depends on the connection type at your address, and most NBN plans share capacity with other users, so performance can dip at busy times.
Where business-grade NBN earns its keep is in the management around it. Our business NBN is monitored 24/7 and comes with free xSPECTRE WAN security and a static IP, which matters if you run a phone system, VPN or remote access. If you mostly need email, cloud apps, video calls and a business VoIP setup, NBN usually covers it without overspending.
Gigabit fibre: when uptime and upload both matter
If your business lives and dies by its connection, dedicated fibre is the step up. Our gigabit fibre runs symmetric, meaning your upload matches your download, across tiers from 250Mbps right up to 10,000+ Mbps, with 1:1 contention so the bandwidth you pay for is the bandwidth you get, not a number shared with the street.
Symmetric upload is the part people underestimate. If you're pushing large files to the cloud, hosting servers, running multi-site backups or carrying a lot of concurrent video, that upload speed changes everything. For larger or carrier-grade requirements, NBN Enterprise Ethernet offers a dedicated, symmetric connection. Fibre costs more than NBN, so it's worth it when downtime or slow uploads genuinely cost you money, not just because the number looks bigger.
5G fixed wireless: fast to install, easy to move
Sometimes you can't wait weeks for a fixed line, or you're in a temporary space, a fit-out, or a site where running cable is a hassle. That's where 5G fixed wireless fits. It delivers up to 150Mbps symmetric with a 99.95% SLA, unlimited data, month-to-month terms, and gets installed within 7 business days.
The trade-offs are honest ones: it tops out lower than fibre, and like any wireless service it depends on signal at your address. But for a fast start, a backup connection, a pop-up location, or a small team that needs to be online quickly, it's hard to beat. If you're relocating, it pairs well with our business relocation support so you're not offline during the move.
A quick way to choose
- Standard office, sensible budget: business NBN. Plenty for cloud apps, VoIP and day-to-day work.
- Uptime-critical or upload-heavy: gigabit fibre or Enterprise Ethernet. Symmetric speed and 1:1 contention.
- Need it now, or a temporary site: 5G fixed wireless. Up and running in about a week, month-to-month.
One more thing worth planning around: Australia's copper PSTN network is being retired rolling, premises by premises, as NBN becomes available, rather than on a single national switch-off date. Whatever internet you choose, it's a good moment to make sure your business phone system is ready for that shift too. A modern setup like SIP trunks runs cleanly over any of these connections.
Frequently asked questions
Can I run my phone system over any of these?
Yes. VoIP and SIP trunks work over business NBN, fibre and 5G fixed wireless. What matters is having enough upload headroom and a stable, monitored connection, which is why business-grade services with a static IP and 24/7 monitoring are worth choosing for voice.
Should I use 5G fixed wireless as a backup as well as a primary?
It's a common and sensible setup. Because it's wireless and month-to-month, 5G fixed wireless makes a good failover for a fibre or NBN primary link, keeping you online if the fixed line drops.
How do I know which speed I actually need?
Count your concurrent users, your video and cloud usage, and how much you upload. Heavy upload and uptime needs point to symmetric fibre; everyday office work is usually fine on NBN. If you're not sure, a quick chat with our local team will sort it out.
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