On 2017-02-06 14:14, Stanislaw Gruszka wrote: > CCK can be used only on 5GHz? OFDM only on 2GHz? I thought any rates can > be used on both bands. Or maybe this settings is just named wrongly > i.e. CCK_SIFS mean sifs for 5GHz and OFDM_SIFS - sifs for 2GHz ? OFDM is used on 2.4 and 5 GHz, CCK only on 2.4 GHz. According to the datasheet, CCK_SIFS means SIFS after CCK transmission. - Felix