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Rpanion video pixelating issue

Today I tried Rpanion, this is a great project!!
mobile LTE telemetry is good with no error but I am getting this pixelating video stream issue…
can someone help me fix this issue?

no pixelating when no movement of camera…

my current setting as below

rpi 3b+
pixhawk 2.4.8
pi camera
usb lte dongle (huawei E8372)
Zerotier vpn
Rpanion image
qgc (android mobile lte)

Servers by jDrones