Question regarding to RB2011UAS-2HND-IN or RB751U-2HnD with

Hello,

I use RB751U-2HnD with air card ZTE668A.
I just see the resource as USB resource but could not see usb port and do not show PPP.

Could you give me any suggestion to find the solution.

Looking forward for your kind support.

Best Regards,
Sawaeng

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