On Wed, 2024-03-20 at 21:44 +0200, Bitterblue Smith wrote: > External mail. > > The RTL8192DU is an older Wifi 4 dual band chip. It comes in two > flavours: single MAC single PHY (like most Realtek Wifi 4 USB devices), > and dual MAC dual PHY. > > The single MAC single PHY version is 2T2R and can work either in the > 2.4 GHz band or the 5 GHz band. > > The dual MAC dual PHY version has two USB interfaces and appears to the > system as two separate 1T1R Wifi devices, one working in the 2.4 GHz > band, the other in the 5 GHz band. > > This was tested only with a single MAC single PHY device, mostly in > station mode. The speeds in the 2.4 GHz band with 20 MHz channel width > are similar to the out-of-tree driver: 85/51 megabits/second. > > Stefan Lippers-Hollmann tested the speed in the 5 GHz band with 40 MHz > channel width: 173/99 megabits/second. > > It was also tested briefly in AP mode. It's emitting beacons and my > phone can connect to it. > > Signed-off-by: Bitterblue Smith <rtl8821cerfe2@xxxxxxxxx> Acked-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx>
