3 ms·
Portions of 802.11h like DFS are widely supported by pretty much all manufacturers. Without DFS, many of the 5GHz channels are unavailable for use, so there are
by oasisbob 4y ago
Portions of 802.11h like DFS are widely supported by pretty much all manufacturers. Without DFS, many of the 5GHz channels are unavailable for use, so there are strong incentives for manufacturers to implement support.
Other WiFi features which allow power savings like APSD (802.11e) have widespread support too.