How can I determine which device is broadcasting a specific SSID?

Tags:
SSID
Wi-Fi
I own a shop and we have a fair amount of wireless devices connected to the in house Wi-Fi. These items vary from desktops, tablets, cell phones, wireless HDMI senders, smart hubs, etc. when I populate available Wi-Fi connections I get a list of about 5 SSIDs, I can identify all but one. It is labeled similar to my others but just odd enough to lead me to believe a neighbor might have adapted a similar title. It's a strong signal so I think it might be one of my devices, but none of my passwords work. It's spelled and punctuated in a way which is not characteristic of me. I feel like it might be a neighbors device. Is there a way to tell what device is broadcasting said SSID? If it is mine I want to identify it and change the SSID. If it is a neighbor I'll be able to stop worrying about it as it isn't any of my concern.
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  • Subhendu Sen
    First disconnect & then reconnect all Wi-Fi devices one by one of your own and check if the said one appears again/check the list. This way you can determine if there is one of your or not as you have some doubts.
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  • TheRealRaven
    Powering off/on devices and watching results on a different test device is probably your easiest, most reliable method. Once the SSID disappears from the list on your test monitor device, you can verify by looking into the configuration of the powered-off device.

    There are 'products' that might help, but it's unlikely you'll want to go through obtaining any. You might emulate some of them simply by walking around the outside of your site to map areas where the SSID is detected or not. By itself, that might be enough.

    Also, you might drill down into WiGLE.net to see how (or if) your location maps out.
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