CCR1016-12G, v6.44.2 (stable), OTG cable and two USB modems connected via USB hub:
/system resource usb print value-list
device: 1-0 2-0 2-1 2-1.1 2-1.1.1 2-1.4
vendor: Linux 3.3.5 ehci_hcd Linux 3.3.5 ohci_hcd VIA Labs, Inc. HUAWEI Technology HUAWEI Technology
name: Tile-Gx EHCI Tile-Gx OHCI USB2.0 Hub USB 2.0 Hub HUAWEI Mobile HUAWEI Mobile
serial-number: tilegx-ehci.0 tilegx-ohci.0
vendor-id: 0x1d6b 0x1d6b 0x2109 0x1a40 0x12d1 0x12d1
device-id: 0x0002 0x0001 0x2812 0x0101 0x1001 0x14db
speed: 480 12 12 12 12 12
ports: 1 1 4 4
usb-version: 2.00 1.10 2.10 2.00 2.00 2.00
Since 2015 any connected USB device was used USB 1.1, no more than 12 Mbps.
I supposed it wasn’t meant to be so; is this a hardware problem?