I am using this device with a data collection system to collect GPS data from test vehicles. It works well and appears to be of good quality. The magnet is adequate but not super strong; In a high speed application I might put a zip tie or tape over it just to be sure. The cable is long enough and the 5Hz frequency is suitable for most driving tasks. I used the software that came with it. It works, but I can't form a good opinion on it due to my limited use.
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