Hi, The first 3 digits are a trace codes to track the sensor. The alphabets succeeding the digits, i.e., Q denotes the variant, in this case the standard BHI160. In short, there should be no difference between the 2 BHI160s that you are using apart from the fact that they are mounted on different PCBs. Could you please share information (maybe a schematic) about how the BHI160 is connected to your host processor?
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