The suggest power supply for Wio LTE products is 5V/2A; The board may not be able to power up when the current is below 1A.
Please always plug a 3.7V Lipo battery in case USB power supply is not sufficient.
When the signal is not good, there will be noise while calling.
We have developed 4 different versions of Wio LTE for different regions. This is the Wio LTE JP version, except this version, the others also support GNSS, below table shows the difference between each version. For more detail information, please refer to the manual.
|Wio LTE JP Version - 4G, Cat.1, Espruino Compatible||1|
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