Does anyone know (perhaps using an extension attribute) how I can identify which clients on my network have 802.11n NICS? I'm trying to see if I can safely turn this frequency off on my network.
@azevon The command "system_profiler SPAirPortDataType" will report on the Wi-Fi capabilities of a Mac and any active connection. You could craft an EA that looks at the PHY Mode to see if it's 802.11n and the Channel to see if it's a 2GHz channel (802.11n does support 5GHz)
