Das WLAN-Signal kann über WMI ausgelesen werden (Benötigt Beta-Version):
Code
$strComputer = "."
$objWMIService = ObjGet("winmgmts:\\" & $strComputer & "\root\WMI")
$colItems = $objWMIService.ExecQuery ("Select * from MSNdis_80211_ReceivedSignalStrength")
For $objItem In $colItems
MsgBox(0, "", "InstanceName: " & $objItem.InstanceName & @crlf & "SignalStrength: " & $objItem.Ndis80211ReceivedSignalStrength)
Next
eddy_erpel