CmdID / PowerShell / Cmdlets / Get
Get-ActiveSyncDeviceClass
Use the Get-ActiveSyncDeviceClass cmdlet to retrieve a list of ActiveSync devices that have connected to your organization. Exchange PowerShell reference
From the Exchange PowerShell reference 4 parameters Its page in the reference
Parameters
-IdentityThe Identity parameter specifies the ActiveSync device class that you want to view.-DomainControllerThe DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory.-FilterThe Filter parameter uses OPATH syntax to filter the results by the specified properties and values.-SortByThe SortBy parameter specifies the property to sort the results by.