@lopou Follow-up on the root cause, during scanning, device send NULL data packet with Power-Save flag to inform the AP that device will not be available until wakeup (i.e. a new packet without PS...

I meet a weird issue with TP-LINK access points (2.4GHz), leading to being stuck a low bitrate/throughput. This happens when bitrate adjustment reaches '11Mpbs', at this point bitrate is never moved...