Article View: borland.public.cppbuilder.nativeapi
Article #3096Re: 802.11 signal and noise levels, speed and channel number
From: Miem
Date: Wed, 04 Oct 2006 16:56
Date: Wed, 04 Oct 2006 16:56
44 lines
2703 bytes
2703 bytes
If you can convert a VB6 to BCB code (I can't, Can some one offer a
help) then you may use the following;
Private Sub Timer1_Timer()
Set nicset =
GetObject("winmgmts:{impersonationLevel=impersonate}!root/wmi").InstancesOf("MSNdis_80211_ReceivedSignalStrength")
On Error GoTo no80211Error
For Each nic In nicset
SignalStrengthValue =
Right(nic.Ndis80211ReceivedSignalStrength,
Len(nic.Ndis80211ReceivedSignalStrength) - 1)
If SignalStrengthValue <> "" Then
SendText ("S=NetSignalStrength~" & SignalStrengthValue)
End If
Exit For
Next
nicset = Nothing
Exit Sub
no80211Error:
SendToConsole "No 802.11 network adapters found"
Timer1.Enabled = False
End Sub
SamishenDoncap wrote:
> Hey,
>
> When I run Windows (sorry) on my notebook, I can monitor the "Signal" and
> "Noise" levels (in dBm) of the build-in wireless network card via its "WLAN
> Card Utility" window.
>
> I want to access the same types of data (signal and noise levels on the
> wireless network adapter) from a C++ application.
>
> Can anybody tell me how to obtain these data from a C/C++ application ?
> Which brand name, model wireless network adapter, (either in PCCard or USB)
> can provide more accurate signal and noise values?
> Do you know a 802.11 wireless network adapter with external antenna
> connection option and desirably with "high" RF output power?
>
> Thanks
>
> Samishen Doncap
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