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Is a wireless repeater for USB not technically possible? There are so many use cases for that I’m always puzzled it hasn’t been done yet.

I don’t think the timing allows this

i have one, so it is possible for usb 2. it also worked quite well and didn't require special driver.

I'm not sure about usb 3.

For USB 2 the maximum round trip from host to device and back is about 1.5 milliseconds.

No idea if that is attainable with a wireless transmitter in between.