On Sat, 29 Feb 2020, James wrote: > I forgot sudo. > > This looks like the interface is USB 3 but the device internals are USB 2. > Does that make sense? No. > SuperSpeed USB Device Capability: > bLength 10 > bDescriptorType 16 > bDevCapabilityType 3 > bmAttributes 0x00 > wSpeedsSupported 0x0006 > Device can operate at Full Speed (12Mbps) > Device can operate at High Speed (480Mbps) > $ sudo lsusb -v -d 0bda:b812 > > Bus 003 Device 002: ID 0bda:b812 Realtek Semiconductor Corp. 802.11ac NIC > Device Descriptor: > bLength 18 > bDescriptorType 1 > bcdUSB 2.10 > bDeviceClass 0 > bDeviceSubClass 0 > bDeviceProtocol 0 > bMaxPacketSize0 64 > idVendor 0x0bda Realtek Semiconductor Corp. > idProduct 0xb812 > bcdDevice 2.10 These are exactly the same vendor, product, and serial IDs as the first device. So you should expect them to be the same. Alan Stern
