[EX6150v2] cannot get connected to 5GHz band of router

[ldm1417]

Hi,

The extender cannot get connected to my router with 5GHz band.

Other devices do canget be connected to the router on this band.

How to solve?

Here is my current configuration:

router to extender: 2.4Ghz band only

extender to devices: both 2.4GHz and 5GHz

How to make the extender to be connected to my router on the 5GHz band?

Thank you!

[StephenB]

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@ldm1417 wrote:

Other devices do canget be connected to the router on this band.

tender to be connected to my router on the 5GHz band?

What speeds are they seeing (perhaps test with speedtest.net)?

[ldm1417]

I've just got connected to the router 5GHz band with Galaxy S5.

Download speed: 86Mbps, Upload: 3.23Mbps (very similar as with wired connection), distance to the router: 0.5m 

[StephenB]

Are you seeing an error when you try to connect the extender to the 5 Ghz router network?

If so, what error?

[ldm1417]

No, there is no error... The Extender Web Setup just says "cannot get connected to 5GHz router band". It cannot find the 5GHz SSID (other devices can find/see this SSID). Even I define this SSID manually, the Extender cannot get connected to it (other devices get connected to this SSID without any problem).

[StephenB]

What security mode is the router using for the 5G network?  Also, what channel(s) is it using?

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@ldm1417 wrote:

(other devices get connected to this SSID without any problem).

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 Are these other devices in the same location as the extender?

[ldm1417]

"What security mode is the router using for the 5G network?"  - WPA-WPA2 Personal

Channel: Auto (64) - router can change the channel according to the changed envirounment/performance/... Could it be an issue? but the 2.4GHz band does the same...

"Are these other devices in the same location as the extender?" - yes

@

[StephenB]

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@ldm1417 wrote:

Channel: Auto (64) - router can change the channel according to the changed envirounment/performance/... Could it be an issue?

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It could be.  Try changing the channel on the router to 48 or 149.

[ldm1417]

Why channel 48 or 149 should be more stable? The Internet Service Provider say that the router should be able to change the channels automatically according to the signal strength. 

[StephenB]

Channels do vary by geography.  Channel 64 is a "DFS" channel.  WiFi devices that use this channel need to look out for Radar systems that also use it, and switch to a different channel if that's the case.  That's potentially something that could go wrong. Channel 48 and 149 are available in all geographies, and don't use DFS.

In Europe, channel 149 has a max power of 25 mw, so 48 might be a better choice there.

[ldm1417]

The 5GHz band in my router is mapped to Auto(36) channel.

According to WiFi channels list (https://en.wikipedia.org/wiki/List_of_WLAN_channels) it seems there is no a difference between the channels 36 and 48...

[StephenB]

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@ldm1417 wrote:

The 5GHz band in my router is mapped to Auto(36) channel.

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36 should work as well as 48.  

Is it possible that the 5 ghz radio in the extender isn't working at all?  Are you seeing a 5 ghz client-facing network in the network list of your devices?

You could test this by setting up FastLane on the 2.4 ghz connection, and then the client-facing network would only be 5 Ghz.