Set Intel Wi-Fi preferred band via Script

Had a strange issue at a site I support this week in that due to both 2.4Ghz and 5Ghz bands transmit power settings both being set on auto meaning they were both similar db Windows 20/04 was defaulting to the 2.4Ghz band resulting in slower access speeds for Clients.

This was easily overcome by setting the preferred band on the devices.

Get-ChildItem HKLM:\SYSTEM\CurrentControlSet\Control\Class -Recurse -ErrorAction silentlyContinue | Get-ItemProperty |
ForEach-Object {if  ($_.RoamingPreferredBandType -ge 0) {

$path = $_.pspath

Set-ItemProperty $path -name "RoamingPreferredBandType" -Value "2"

write-output $_.pspath
}
}

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