AMPDU RTS is it only 802.11g and 802.11b devices?

[Jack-Sparr0w]

AMPDU RTS: Enable this function allows to build a group
of frames before they are transmitted and use RTS for every
AMPDU for communication among 802.11g and 802.11b
devices.

 

[sfx2000]

802.11n and later standardized AMPDU