Question

Copatiible Wifi Extender with the TMobile 5G Internet Gateway?

  • 29 June 2022
  • 8 replies
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I am looking for recommendations on the best Wi-Fi extender for the 5G home Gateway.  I have both a TP Link RE 220 and a Netgear EX3700.  They both fail to connect due to MAC address issues… even though they work fine with my current modem/router.  I am looking to move away from my Xfinity service but need a Wi-Fi extender in my garage to connect some of my outdoor enabled devices.  Thanks!


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If these are still working on your old network then that means the devices are likely using the old IP addresses and may even be static. Your old network is likely not on the same subnet as TMO gateway so you can try to factory reset your extenders and setup as new with TMO gateway. Another complication could be that TMO gateway combines by 5 and 2.4 ghz bands into one SSID and you will need to confirm if your extenders support that. If not, you need to manually separate the bands into 2 separate SSIDs using the web UI or TMI app. Also note that TMO gateway does not support WPS so you will need to setup the extenders with whatever app or web UI interface they have.

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Thanks Cali Cat.  I have done the factory reset on both devices with the same result.  I am not using WPS …. am using the app from each supplier to them set up.  They accept the same SSID and PW for the 2.4 and 5.0 ghz bans separately ….  that doesn’t seem to be the issue.  The error message asks if the router utilizes an Access Control List and if it does it gives the MAC address to enter.  I tried to resolve with TMO customer service but got no real help. 

Userlevel 4
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Thanks Cali Cat.  I have done the factory reset on both devices with the same result.  I am not using WPS …. am using the app from each supplier to them set up.  They accept the same SSID and PW for the 2.4 and 5.0 ghz bans separately ….  that doesn’t seem to be the issue.  The error message asks if the router utilizes an Access Control List and if it does it gives the MAC address to enter.  I tried to resolve with TMO customer service but got no real help. 

That indicates that the TMO router is not passing back an IP address. Since there is no ACL feature on the TMO router, there is some other compatibility and or setup issue you are having.

You might want to try using ethernet to your extender and try AP mode to see if that works. If it does, then you definitely know the wifi to wifi connection in extender mode is the problem - security standard, wifi standard, etc.

I personally use a mesh system connected via ethernet to the TMO gateway and it works both in AP and  DHCP mode.

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OK and thanks again.  Can you recommend a new WiFi extender that works well with TOM.  I am running short on time.

Userlevel 4
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OK and thanks again.  Can you recommend a new WiFi extender that works well with TOM.  I am running short on time.

Sorry no, I don’t use wifi extenders since those cut bandwidth in half and doesn’t pass devices seamlessness as mesh does. That’s the only recommendation I can give you is go full mesh system. It’s more expensive but it works much better. I can confirm Asus ZenWifi XT8 works fine in both AP and DHCP mode. I used this back with cable so it wasn’t a new expense for me when switching to TMO.

We have a mesh system in the house but you can’t daisy chain them… the hubs are supposed to be equidistant to the main hub. And they don’t push signal crazy far. Signal is pretty weak the back of our property.

I was thinking about plugging in a really strong signaled wifi router to my hub that is closest to the backyard with it’s sole purpose to provide a Wifi network to my ring cameras and wifi gate lock, etc, that are on the other end of our property.

I can’t see why this wouldn’t work! thoughts?!

does netgear EX6120 work w/ 5G Gateway??????????

do you have to pay for a security service to make netgear WIFI extender EX6120 work???????

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