On 2020-02-29 6:05 p.m., Alan Stern wrote:
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.
What does "SuperSpeed USB Device Capability:" mean?
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
I have another one on order, hopefully it is better.
It might have the same USB id but I know it seems like a better vendor
(Netis).
