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Smart Outlet Won't Connect

Posted on 1/17/23 at 6:47 am
Posted by Nighthawk504
NOLA
Member since Aug 2015
166 posts
Posted on 1/17/23 at 6:47 am
I've got these smart outlets that worked at my old house but don't seem to work with my new router setup. Looks like the router frequency is 5 GHz and the outlets need 2.4 GHz. Is there an easy fix because everything else works fine on 5 GHz?

Link to he plugs on Amazon:
Smart Plugs - Amazon Link
Posted by dakarx
Member since Sep 2018
7833 posts
Posted on 1/17/23 at 7:14 am to
I have the same outlets, they REQUIRE a 2.4Ghz access point.

For my IOT stuff I set up a separate vlan with older dedicated 802.11g access points (running DD-WRT).

VLAN is optional but highly recommended to keep things segregated.
Posted by CAD703X
Liberty Island
Member since Jul 2008
86709 posts
Posted on 1/17/23 at 8:42 am to
quote:

Looks like the router frequency is 5 GHz and the outlets need 2.4 GHz. Is there an easy fix because everything else works fine on 5 GHz?


you should look up your router model and '2.4ghz devices' and there should be some brief instructions on how to set it to 2.4 temporarily or some other trick to get those devices on your network.

All routers have 2.4ghz but they bury it in the UX because most smart devices (even Ring cameras) are still 2.4 and they have to be able to be added.

For instance i used to have eero and there's this buried hidden 'turn on 2.4ghz for 10 minutes' option that i had to use to move all my 2.4 devices over.

stupid.
Posted by sahikojones
St. George, LA
Member since Oct 2018
634 posts
Posted on 1/17/23 at 8:51 am to
I wound up keeping my old router attached to the network for this reason. Disabled all but the 2.4GHz band on it and connect all the smart devices to it. But I have an older mesh network that didn't have workaround options for IoT, a newer one might.
This post was edited on 1/17/23 at 9:00 am
Posted by CAD703X
Liberty Island
Member since Jul 2008
86709 posts
Posted on 1/17/23 at 10:12 am to
quote:

I wound up keeping my old router attached to the network for this reason. Disabled all but the 2.4GHz band on it and connect all the smart devices to it. But I have an older mesh network that didn't have workaround options for IoT, a newer one might.


thats crazy. IoT devices are almost 100% 2.4ghz so for a new router to not support 2.4 (at least for setup purposes) should be a criminal offense.
Posted by GrizzlyAlloy
Member since Aug 2020
2581 posts
Posted on 1/17/23 at 10:13 am to
You can log into your router and disable the 5 GHz band while you do the connection, then turn it back on afterwards.

On the Eero system I have now, it has an option to disable the 5 GHz band for 10 mins. Makes it easier.
Posted by TigerinATL
Member since Feb 2005
62437 posts
Posted on 1/17/23 at 10:22 am to
quote:

thats crazy. IoT devices are almost 100% 2.4ghz so for a new router to not support 2.4 (at least for setup purposes) should be a criminal offense.


He might need to update his router. When I got my first smart plugs a few years ago it was simpler for me to use an older router with the same name/password to get them setup to connect to my current network. But now there's an easy to access setting in my router dashboard to temporarily turn off 5GHz while you connect the devices. Once they are set up the plugs can access it just fine, but during setup running dual band can cause problems so you have to disable 5GHz.
Posted by Lonnie Utah
Utah!
Member since Jul 2012
28947 posts
Posted on 1/17/23 at 10:25 am to
quote:

Looks like the router frequency is 5 GHz and the outlets need 2.4 GHz.


What's most likely happening is your phone or other setup device is connecting to the 5ghz network and not the 2.4 ghz one.

There are a couple of solutions already stated. One that has not is most of the devices allow setup thru AP or access point mode. This allows your phone to connect to a temporary hotspot broadcast by the device where it sends the network credentials directly to the smart device.
Posted by sahikojones
St. George, LA
Member since Oct 2018
634 posts
Posted on 1/17/23 at 10:48 am to
quote:

thats crazy. IoT devices are almost 100% 2.4ghz so for a new router to not support 2.4 (at least for setup purposes) should be a criminal offense.


I agree, it's crazy and stupid, and when I upgrade I'm going to make sure whatever I get has the option to connect the IoT devices in a trouble free way. Mine didn't, and back then the guidance for disabling the 5GHz band involved telnetting in through a debug portal and screwing around with a bunch of settings to temporarily split the 2.4GHz and 5GHz bands. I think the current firmware allows me to reduce the 5GHz band to 25% and run around the house trying to find a sweet spot where my phone is on wifi but just the 2.4GHz, and then set everything up while I'm in that sweet spot, and then put everything back like it was and reboot, but I'd have to do that every time I had a new device.

It's just been easier for me to leave the old network plugged in with all but the 2.4GHz disabled to just field those devices.
This post was edited on 1/17/23 at 10:55 am
Posted by dakarx
Member since Sep 2018
7833 posts
Posted on 1/17/23 at 6:58 pm to
Many/most IoT devices are based on the ESP32 or ESP8266, the ESP32 very recently started marketing a 5Ghz wifi, the latter will probably be phased out before offering 5Ghz.

The is a new contender coming into the IoT market based on the RISC-V chip which supports 5Ghz, and is significantly cheaper (no license fees per chip).
Posted by UltimaParadox
North Carolina
Member since Nov 2008
47256 posts
Posted on 1/17/23 at 7:17 pm to
Are there truly routers that dont support 2.4ghz????

Are you guys just not setting up the 2.4ghz band?
Posted by sahikojones
St. George, LA
Member since Oct 2018
634 posts
Posted on 1/17/23 at 9:27 pm to
quote:

Are there truly routers that dont support 2.4ghz????

Are you guys just not setting up the 2.4ghz band?


My mesh network has one hybrid SSID that includes both the 2.4GHz and 5GHz band, and smart devices hate it. Most of them want ONLY 2.4GHz, which my mesh network doesn't have an option for.

My old router does though, that's why I still have it in my network with only 2.4GHz enabled.
Posted by Teddy Ruxpin
Member since Oct 2006
40119 posts
Posted on 1/17/23 at 10:30 pm to
Original Google WiFi had this problem. My solution was silly.

I went as far away from the router as possible with he smart plug where the 2.4 band reached but 5 didn't. It worked.

Once it had the network, I could move the plug wherever.
This post was edited on 1/17/23 at 11:51 pm
Posted by USMEagles
Member since Jan 2018
11811 posts
Posted on 1/17/23 at 11:33 pm to
quote:

thats crazy. IoT devices are almost 100% 2.4ghz so for a new router to not support 2.4 (at least for setup purposes) should be a criminal offense.




At my workplace, they turned off 2.4ghz because it "causes interference with Bluetooth" .
Posted by CAD703X
Liberty Island
Member since Jul 2008
86709 posts
Posted on 1/18/23 at 9:51 am to
quote:

At my workplace, they turned off 2.4ghz because it "causes interference with Bluetooth"


i'm old enough to remember when the IT guys at my job wouldn't allow wireless keyboards in the conference rooms (back when we had a single computer hooked up to the big screen) so trying to run a presentation was always an exercise in frustration when the keyboard and mouse cords wouldn't reach the person who needed them.

it was a 'security risk' to type in your password on the keyboard and have it wireless transmitted to the computer.
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