Ruth Arunin replied to the topic 'CEM40 usb drops connection' in the forum. 10 months ago

I have tried an unpowered usb hub. It does not work. I may have to try your solution later, but it will take sometime to have the hub delivered to me.
As far as I see I may try:
- your unpowered usb hub,
- a new usb cable,
- or buy a rasberry pi3.