HiLetgo VK-172 USB GPS Review
I’m on a GPS kick lately and picked up a HiLetgo VK-172 GPS dongle ($12) from Amazon.
It claims to have a U-blox 7020 chipset inside but if I know anything it’s that most GPS modules you buy online that claim to be U-blox are usually counterfeit.
We might be in good shape here because the 7020 chipset is an older generation product according to U-blox.
The 7020 chipset is a GPS/GLONASS (Russian positioning system) and is small and low powered. It is my understanding that it will not do GPS and GLONASS simultaneously. You have to select one or the other in U-blox software. United States GPS is a bit more accurate than GLONASS and it seems to be default set to GPS. We’ll keep that setting for initial testing and toggle it to GLONASS later (if we can).
You can find these VK-172 GPS dongles all over the place but I think a large number of them have counterfeit chipsets.
Let’s test it with U-blox U-center software to see if it indeed an authentic chipset.
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