Tolyn_VS, Configuring this mode in the wireless network settings, the AC mode is present only in the settings of the 5GHz wireless network, and in the 2.4 GHz settings, only 11 BG modes are mixed and 11 BGN mixed. On the old 841nd one could set the ABG, BGN and N ONLY modes, the router worked in N ONLY mode. On this occasion, the technical support was called, the developer responds for it, and whether such a regime will be separately, they don't know anything.