Real-World Speed Test of OnStar’s 4GLTE Hotspot

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If you’ve turned on the television lately, you’ll have noticed that General Motors is pushing the 4GLTE connectivity of OnStar heavily in their promotions. While it may seem odd to some having a hotspot built into your car (that you have to pay a separate data fee for), there are plenty of reasons to take advantage of the 4GLTE. One of those main reasons is signal strength in fringe areas.

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If you look at coverage maps for all the major carriers, you wouldn’t think there’d be a single reason why I couldn’t get good 4G signal anywhere I go near my house. However, there are certain areas where signal strength and speed drop off pretty significantly. Over the weekend, I was in one of those locations.

I was on the south side of Findlay, Ohio watching the balloon festival at Emory Park. While I was stationary, I ran a speed test on my phone and got these results.

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For a modern 4G cellphone still inside the city limits of a decent-sized community, this is terrible. That makes even sharing a brief video to Instagram impossible.

But how well did the truck do in the same location? Better. Much better.

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At the exact same GPS coordinates I ran both speed tests and noticed a huge difference between to the two. The antenna in the Silverado (and all 4GLTE-equipped OnStar vehicles) is larger than the antenna on the phone, improving signal quality.

While this is one circumstance and your mileage may vary, this does make a strong case for using GM’s 4GLTE in the future.

What do you think? Let us know in the forums!

Chad Kirchner is a longtime automotive journalist who covers Ford news and auto reviews for Ford Truck Enthusiasts and F-150 Online. He is also a regular contributor to Corvette Forum, among other auto sites. Kirchner is the Editor-in-Chief of Future Motoring and the host of its podcast.


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