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On Pi 3 with Raspbian (clean install) when I run:

sudo iwlist scan | grep ESSID

I can get both normal outputs and outputs with empty ESSID. E.g.:

ESSID: "SomeNetwork"
ESSID: ""

The list does not contain some networks which I can see through the web interface on my laptop, so I guess they are shown as having empty name.

Does anyone have any idea what is going on here?

alex
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1 Answers1

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could be hidden ESSID Networks.

Here is the manual to connect to Hidden SSID

http://www.thehecklers.org/2015/02/27/how-to-connect-raspberry-pi-to-hidden-ssid/

Regards

Jhovanny Uribe
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  • Thanks! But isn't it the case that my laptop should have troubles seeing names of the hidden SSIDs? I have no troubles seeing them from my laptop though. – alex Feb 02 '17 at 23:25