What's With All The Gs?
Certification Magazine|July 2020
5G is what you think (faster, more powerful) and not what you've heard (a vector for infectious deseases)
AARON AXLINE
What's With All The Gs?

During a recent conversation with a non-techie friend, I was asked about the impending rollout of 5G cellular networks. Specifically, my friend wanted to know what the big difference was compared to the established 4G standard. I answered their question in a serious tone: Well, it's one G better, isn't it?

While this answer was not particularly helpful to my friend, it does reflect the current level of confusion, misinformation, and downright kookiness surrounding the upcoming 5G revolution. Let's take a closer look at what this new wireless technology is, what it isn't, and how it will likely impact the wireless world.

What is 5G?

As its name suggests, 5G is the fifth generation of cellular networking technology. After existing wholly in the research and development stage over much of the last decade, 5G has finally begun trickling down to the consumer level.

5G cellular networks will offer faster data speeds than current 4G networks — up to 10 times faster, according to most expert opinions based on real-world testing. 5G will also have higher bandwidth capacity, allowing many more devices to be simultaneously connected to a network without bringing it to its knees.

5G also offers lower latency rates than 4G (down to one millisecond in some cases, comparable to many wired broadband connections), which further speeds up the communication between 5G-enabled devices. This feature will become rather important in the near future, for reasons that we’ll get to a little bit later on.

The trade-off for this greater speed is that the operating range of a 5G network (which uses higher frequencies than previous cellular standards) is shorter than the range of existing 4G networks. You may be familiar with this phenomenon if you own a dual-band wireless router.

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