Am Sun, 5 Nov 2023 14:16:18 -0500 schrieb Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>: > On Sun, Nov 05, 2023 at 04:33:00PM +0100, Fabian Melzow wrote: > > Am Sun, 5 Nov 2023 09:56:06 -0500 > > schrieb Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>: > > > How do you know that the device's USB hardware supports more than > > > 480 Mbps? And even if the hardware does, maybe the firmware > > > doesn't. > > > > > > (Note: Just because the device's WLAN interface can run at 780 > > > Mbps, it does not follow that the USB interface can run that > > > fast.) > > > > These USB WLAN sticks are sold as "USB 3.0", and also have a blue > > USB-3.0-A-plug. I don't really know the speed, but 480 Mbps is > > reported by "lsusb -t" or in the descriptor. I did not open these > > devices, but have assumed that they only use a single chip to > > handle everything, WLAN and USB. > > Have you tried plugging the device into a system running a different > OS (Windows or MacOS-X)? Or even a different Linux system? Yes, I also made a short test with the lsusb of an old Debian 11 Live-DVD. I got these devices for testing from the Amazon Vine program and after the third Monday-Hardware WLAN-device with the same problem I thought I should report this problem, to maybe help real users. (Forgot to send the mail also to this list.)
