iOptron releases new GEM45 now. Previous GEM45 separates iPolar & USB control into two cable, no usb hub. New GEM45 only has one USB line, which contain iPloar, mount control(FDTI USB serial), USB2.0 hub. I guess it will be something different, especially in power manager. More, new firmware(210105) may also make different communication. We are using Ubuntu 20.04 (aarch64) in SoC Khadas VIM3.