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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@Gordon
Ok, I've just looked into this and there were a few issues with the QuectelBG96 module by the look of it.
If you download the 'cutting edge' firmware from http://www.espruino.com/Download#RAK8212 it should now hopefully be fixed.
While you may still have issues with CAT-M1, normal TCP/IP comms should now work fine