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Need for speed: testing out 5G after months locked down in Melbourne

Guardian Technology 31 Oct 2020 07:00

The arrival of 5G in Australia will provide much-needed high speeds for areas left lagging behind by the National Broadband Network, but for most mobile users the day-to-day difference will not be immediately noticeable.

The thing about internet access is that you only really notice it when you don’t have it, or if it isn’t working well.

While Australia has spent more than a decade arguing how best to get fast, reliable internet into homes, mobile networks have been making inroads. Now the first iterations of ultra-fast 5G have been switched on in some parts of the country.

Apple’s new iPhone 12 and 12 Pro devices are not the first 5G phones on the market, but it is the first opportunity I have had to test 5G since Australia’s mobile network operators began switching on 5G in the middle of last year.

Living through one of the longest lockdowns in the world in Melbourne, I was keen to get out and about and see how much 5G had been built in the past four months.

When I first managed to get a 5G connection – somewhat delayed by an issue with Telstra automatically switching my account to 5G without, for some reason, actually giving me access to 5G – I pulled in download numbers at 555 megabits-per-second (Mbps) down, and 54mbps up.

The all-important latency is a good 19 milliseconds (ms) – very little lag.

As long as the video streams clearly, websites load quickly and downloads and uploads happen in no time, it is unlikely most people would notice the difference between 4G and 5G on their phones.

On a second day, in a different part of Melbourne’s inner north, I managed to get over 800Mbps download speeds, more than I would ever need to work from my laptop, including video conferencing and uploading files.

During my trial adventures in Melbourne’s inner north, the 5G connection remained consistent until I ventured further than about 3km from the CBD, where it switched back to 4G.

4G speedtest in Melbourne.
4G speedtest in Melbourne. Photograph: Speedtest

This means that when you’re walking around with your phone in your pocket, streaming Spotify or making a call, you won’t be connecting to the 5G network but will fall back on to 4G. It does this because 5G can be more of a battery suck than 4G is at the moment, so it makes sense to only connect when absolutely necessary to save your battery life.

In my home, the signal is weaker, but I still manage to get 190Mbps download speeds. Upload speeds, however, were much worse than my NBN connection: just 5Mbps.

Were I in a household of multiple people all working or studying, it would be even more difficult.

The key to 5G will be rolling it out far and wide. You don’t have to go far out of the inner suburbs before you find homes on slower fibre-to-the-node connections, or NBN’s fixed wireless service. If 5G becomes available in those areas, it will be a more attractive option than home fixed line internet, with its higher speeds able to accommodate a house full of people streaming, working and studying.

5G is a network built for keeping up with the demand years from now, not necessarily what’s required today. We won’t see its full benefits for some time, and most will not be directly beneficial for the average user. It will be machine-to-machine communication, and all the connected devices we will have, such as smart cars, where it will make the biggest difference.

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MelbourneAustraliaTelstraApple
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