• Bas van Ooijen

Custom AP + Antenna combination in Ekahau



Are you working on a design in Ekahau Site Survey (ESS) and using a specific AP (Access Point) with different antenna types? In my case, in my existing project file, I had to change all the Access Points to a new type. I made the choice for Aruba 504 + AP-ANT-25A - this is not a direct combination in Ekahau but with a detour. When you assign an AP in ESS, the next time you add a new AP to the map, it uses the earlier AP you had placed.

However, if you customize an Access Point by choosing an AP from the drop-down and changing the antennas to a 3rd party antenna – the next time you want to change it, this is only possible by choosing an ap from the drop down menu. This is a disadvantage if you’re adding plenty of APs, and/or b) switching between various antenna types.

Each time you place an AP, you have to manually go in and make changes to everything - the angles, antenna height, TX power, and - the antennas themselves. You can make changes to the ESS config files for adding APs and custom antennas.

When you edit the “accessPointTypes.xml” file and add the AP with the antennas you want, the antenna might already exist in ESS but it might not be paired with the AP you want to use. This is all you need to fix to make it work.

After fixing it, if you open your project file in ESS, you can see the new customized version of the AP in the list!

Creating Access Points in Ekahau

The following are the steps to create access points yourself in Ekahau:

Step 1

Open C: \ Program Files \ Ekahau \ Ekahau Pro \ conf \

Now, open antennas.zip. copy here from the filename without extension.


You can find both the 2.4GHz and 5GHz antennas you need.






Step 2

Open C: \ Program Files \ Ekahau \ Ekahau Pro \ conf \. Then, open accessPointsTypes.xml with admin rights.

Step 3

Search for your required AP and find it. Next, copy it.


 </accessPointType>
 <accessPointType vendor="Aruba" model="AP-504 + AP-ANT-1W">
 <radioType technology="ax" frequencyBand="2.4" mimo="2x2" spatialStreams="2" defaultAntenna24="Aruba AP-ANT-1W 2.4GHz" defaultAntenna5="Aruba AP-ANT-1W 5GHz"/>
 <radioType technology="ax" frequencyBand="5" mimo="2x2" spatialStreams="2" defaultAntenna24="Aruba AP-ANT-1W 2.4GHz" defaultAntenna5="Aruba AP-ANT-1W 5GHz"/>
  <radioType radioTechnology="bluetooth" frequencyBand="2.4" defaultAntennaBluetooth="Aruba AP-505 BLE"/>

Paste the AP directly under the original AP.


</accessPointType>
 <accessPointType vendor="Aruba" model="AP-504 + AP-ANT-1W">
 <radioType technology="ax" frequencyBand="2.4" mimo="2x2" spatialStreams="2" defaultAntenna24="Aruba AP-ANT-1W 2.4GHz" defaultAntenna5="Aruba AP-ANT-1W 5GHz"/>
 <radioType technology="ax" frequencyBand="5" mimo="2x2" spatialStreams="2" defaultAntenna24="Aruba AP-ANT-1W 2.4GHz" defaultAntenna5="Aruba AP-ANT-1W 5GHz"/>
  <radioType radioTechnology="bluetooth" frequencyBand="2.4" defaultAntennaBluetooth="Aruba AP-505 BLE"/>
</accessPointType>
 <accessPointType vendor="Aruba" model="AP-504 + AP-ANT-1W">
 <radioType technology="ax" frequencyBand="2.4" mimo="2x2" spatialStreams="2" defaultAntenna24="Aruba AP-ANT-1W 2.4GHz" defaultAntenna5="Aruba AP-ANT-1W 5GHz"/>
 <radioType technology="ax" frequencyBand="5" mimo="2x2" spatialStreams="2" defaultAntenna24="Aruba AP-ANT-1W 2.4GHz" defaultAntenna5="Aruba AP-ANT-1W 5GHz"/>
  <radioType radioTechnology="bluetooth" frequencyBand="2.4" defaultAntennaBluetooth="Aruba AP-505 BLE"/>

Step 4

Change the red highlighted data using the previously selected AP from step 1.


 </accessPointType>
 <accessPointType vendor="Aruba" model="AP-504 + AP-ANT-1W">
 <radioType technology="ax" frequencyBand="2.4" mimo="2x2" spatialStreams="2" defaultAntenna24="Aruba AP-ANT-1W 2.4GHz" defaultAntenna5="Aruba AP-ANT-1W 5GHz"/>
 <radioType technology="ax" frequencyBand="5" mimo="2x2" spatialStreams="2" defaultAntenna24="Aruba AP-ANT-1W 2.4GHz" defaultAntenna5="Aruba AP-ANT-1W 5GHz"/>
  <radioType radioTechnology="bluetooth" frequencyBand="2.4" defaultAntennaBluetooth="Aruba AP-505 BLE"/>
</accessPointType>
 <accessPointType vendor="Aruba" model="AP-504 + AP-ANT-1W">
 <radioType technology="ax" frequencyBand="2.4" mimo="2x2" spatialStreams="2" defaultAntenna24="Aruba AP-ANT-1W 2.4GHz" defaultAntenna5="Aruba AP-ANT-1W 5GHz"/>
 <radioType technology="ax" frequencyBand="5" mimo="2x2" spatialStreams="2" defaultAntenna24="Aruba AP-ANT-1W 2.4GHz" defaultAntenna5="Aruba AP-ANT-1W 5GHz"/>
  <radioType radioTechnology="bluetooth" frequencyBand="2.4" defaultAntennaBluetooth="Aruba AP-505 BLE"/>

The below will get displayed in my case.


</accessPointType>
 <accessPointType vendor="Aruba" model="AP-504 + AP-ANT-25A">
 <radioType technology="ax" frequencyBand="2.4" mimo="2x2" spatialStreams="2" defaultAntenna24="Aruba AP-ANT-25A 2.4GHz 5dBi" defaultAntenna5="Aruba AP-ANT-25A 5GHz 5dBi"/>
 <radioType technology="ax" frequencyBand="5" mimo="2x2" spatialStreams="2" defaultAntenna24="Aruba AP-ANT-25A 2.4GHz 5dBi" defaultAntenna5="Aruba AP-ANT-25A 5GHz 5dBi"/>
 <radioType radioTechnology="bluetooth" frequencyBand="2.4" defaultAntennaBluetooth="Aruba AP-505 BLE"/>

Save the file.

Step 5

Open Ekahau. Now, you can find your created antenna.


You can edit the config files for APs and antennas so you can create custom AP/ANT to use in all your projects. Don't forget that you need admin rights if you want to edit anything in the folder. Also backup this file as well,this will be rewritten with the next update.

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