Send-WOL.ps1

<# 
  .SYNOPSIS  
    Send a WOL packet to a broadcast address
  .PARAMETER mac
    The MAC address of the device that need to wake up
  .PARAMETER ip
    The IP address where the WOL packet will be sent to
  .EXAMPLE 
    Send-WOL -mac 00:11:32:21:2D:11 -ip 192.168.8.255 
#>

param(
  [string]$mac,
  [string]$ip,
  [int]$port=9
)
$broadcast = [Net.IPAddress]::Parse($ip)
 
$mac=(($mac.replace(":","")).replace("-","")).replace(".","")
$target=0,2,4,6,8,10 | % {[convert]::ToByte($mac.substring($_,2),16)}
$packet = (,[byte]255 * 6) + ($target * 16)
 
$UDPclient = new-Object System.Net.Sockets.UdpClient
$UDPclient.Connect($broadcast,$port)
[void]$UDPclient.Send($packet, 102)