MyQ (Chamberlain) garage door and Gateway 5G router not compatible

@Frankie142622 don’t give up!

Have you tried adding a 2.4GHz network, with WPA/WPA2 security, which has been mentioned in this thread? 

I think you could get it going with the second network with different security settings than the first network.  I understand that is more than you want to tackle by yourself.  Please ask a tech-savvy friend to help you; follow the instructions in my post on page 1 of this thread (the last post on page 1).  That is Step 1.  Then, Step 2 will be getting the home security and/or garage door opener connected.  I can't help with that.

The alternative is to try another internet provider.  

Good luck.  

Gracias,

I’ll try connecting to my TP-Link extender.

 I am having the same issue what is TP link extender and where do I buy it.

Here is a possible workaround to your problem.

Create a new network in the T-Mobile app. Give it a different name (SSID) than your primary network, configure the frequency as 2.4 MHz only, and choose WPA/WPA2 as the WPA version. 

Also be aware that some extenders use a form of NAT to connect to your network. I have a Netgear EX2700 that I've been using successfully for a long time, but with T-Mobile, while it still works as an extender, it does not have a unique IP address so that I can access the configuration page.

I'm having this problem too! After reading other threads I bought the TP LINK AC1200 WiFi Router. I connected the it onto the T-Mobile router. I disconnected the 5ghz on the TP LINK and only allow 2.4ghz. When I try to connect the Wi-Fi the MYQ to TP Link, it can't find the connection at all  :(

Did you disable DHCP on the TP-Link Router? Only one device on a network can operate as a DHCP server to hand out IP addresses.

If you want to use the TP-Link for wireless, I'd put it into access point mode (AP), but if you're trying to get the garage unit to communicate with your WiFi network, why not just create a new network on your T-Mobile gateway as I described above. From what you've described, you don't need a separate router., maybe just a WiFi extender.

I use a TP-Link TL-WA855RE Router wirelessly connected to the TMHI Gateway. My two MyQ devices attach to it and I also have it located next to a device that only has Ethernet connectivity. Kills two birds with one device.

Sounds like you have your problem solved, but if you're using a TP-Link WiFi Extender, you can only create a connection with the 2.4 MHz band at WPA2 security. Why not just separate the 5 MHz and 2.4 MHz  bands on the T-Mobile gateway, give them separate names, and have the Nexx devices connect? I also have a Nexx garage door opener (V1) and had no issue with its connection.