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    <p>Ok after continuing research online I managed to patch together a way that works for me. From what I've read - there are many different ways of obtaining the RSSI - but this method, while maybe a little cumbersome, worked well for our needs...</p> <p>I'm using the command WlanGetNetworkBssList, and then getting the RSSI value directly from the returned PWLAN_BSS_ENTRY.</p> <p>I found it is important to call WlanScan each time before querying WlanGetNetworkBssList, otherwise the returned value doesn't change with any sort of regularity.</p> <pre><code>HANDLE hClient; PWLAN_INTERFACE_INFO_LIST pIfList = NULL; PWLAN_INTERFACE_INFO pIfConnInfo = NULL; PWLAN_CONNECTION_ATTRIBUTES pConnectInfo = NULL; PWLAN_BSS_LIST pBssList=NULL; PWLAN_BSS_ENTRY pBssEntry=NULL; WLAN_OPCODE_VALUE_TYPE opCode = wlan_opcode_value_type_invalid; DWORD dwResult = 0; DWORD dwMaxClient = 2; DWORD dwCurVersion = 0; DWORD connectInfoSize = sizeof(WLAN_CONNECTION_ATTRIBUTES); int i; // Initialise the Handle dwResult = WlanOpenHandle(dwMaxClient, NULL, &amp;dwCurVersion, &amp;hClient); if (dwResult != ERROR_SUCCESS) { return 0; } // Get the Interface List dwResult = WlanEnumInterfaces(hClient, NULL, &amp;pIfList); if (dwResult != ERROR_SUCCESS) { return 0; } //Loop through the List to find the connected Interface PWLAN_INTERFACE_INFO pIfInfo = NULL; for (i = 0; i &lt; (int) pIfList-&gt;dwNumberOfItems; i++) { pIfInfo = (WLAN_INTERFACE_INFO *) &amp; pIfList-&gt;InterfaceInfo[i]; if (pIfInfo-&gt;isState == wlan_interface_state_connected) { pIfConnInfo = pIfInfo; break; } } if ( pIfConnInfo == NULL ) return 0; // Query the Interface dwResult = WlanQueryInterface(hClient,&amp;pIfConnInfo-&gt;InterfaceGuid,wlan_intf_opcode_current_connection,NULL,&amp;connectInfoSize,(PVOID *) &amp;pConnectInfo,&amp;opCode); if (dwResult != ERROR_SUCCESS) { return 0; } // Scan the connected SSID dwResult = WlanScan(hClient,&amp;pIfConnInfo-&gt;InterfaceGuid,&amp;pConnectInfo-&gt;wlanAssociationAttributes.dot11Ssid,NULL,NULL); if (dwResult != ERROR_SUCCESS) { return 0; } // Get the BSS Entry dwResult = WlanGetNetworkBssList(hClient,&amp;pIfConnInfo-&gt;InterfaceGuid,&amp;pConnectInfo-&gt;wlanAssociationAttributes.dot11Ssid,dot11_BSS_type_infrastructure,TRUE,NULL,&amp;pBssList); if (dwResult != ERROR_SUCCESS) { return 0; } // Get the RSSI value pBssEntry=&amp;pBssList-&gt;wlanBssEntries[0]; return pBssEntry-&gt;lRssi; </code></pre>
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