Looks like you're using new Reddit on an old browser. Most of the Xfinity Wi-Fi hotspots are located in residential areas.
Also if you're in a spot where you need the bridge, are you sure 2.4GHz isn't more appropriate?
That allows transparent layer-2 bridging on top of any security mode.
STEP 3: Scan the surrounding wireless network, and let your Slate router connect to an“Xfinitywifi” wirelessly. How to Setup Repeater Bridge Using OpenWrt on GL Mini Routers. By default the LAN interface in OpenWRT is an addressed bridge (wired ethernet and wireless) - "br-lan", You don't have to supply the bridge an IP address, in which case the kernel will just pass traffic across the bridge as if it was a switch and just won't have a (direct) way of talking to that network. It can be configured as VPN server and allow users to access files securely as if they are at home.Cloudflare DNS over TLS!DNS over TLS is a security protocol for encrypting and wrapping Domain Name System queries and answers via the Transport Layer Security protocol. Access the Web Admin Panel ... to conﬁgure the network information such as IP address, Gateway, Netmask manually. Using MAC Clone to copy your phone’s MAC address. If using a static IP also set the gateway IP to your main router. In the youtube video, they seem to be setting up the same thing, but using a slightly different method. I now have 3 clients connected via ethernet to the AR750S bridge router and they are getting IPs from the DHCP server on the main TP-Link Router. I haven't ever used WDS nor heard anything good about it. Amazon Link : https://amzn.to/2J7nb7YProduct Name : GL.iNet GL-AR750S-Ext Gigabit Travel AC Router (Slate), 300Mbps(2.4G)+433Mbps(5G) Wi-Fi, 128MB RAM, MicroSD Support, OpenWrt/LEDE pre-Installed, Cloudflare DNS, Power Adapter and Cables IncludedCompare other similar WiFi ROUTER'S based on high ratings and lowest prices from the link below.https://www.amazon.com/s?k=WiFi+Router\u0026ref=nb_sb_noss\u0026tag=dhonish-20Product Description : GL.iNet GL-AR750S-Ext Gigabit Travel AC Router (Slate), 300Mbps(2.4G)+433Mbps(5G) Wi-Fi.Keep your Internet connection private with multiple VPN protocols support. It can easily slip into a backpack, or even your pocket and take it with you anywhere. It doesn’t act as a gateway and DHCP server. It may work for you but I can't offer anything helpful about it. New comments cannot be posted and votes cannot be cast. Well, the speed was not bad. Otherwise it may cause malfunction. If you want to use TF card, please insert before powering on the router. Make sure the client either has its radio channel match or is set to Auto.
Set it's LAN interface as a DHCP client in the protocol field or ensure it's static IP isn't in the main DHCP server's allotment range. In the web admin panel of Slate router, you need to visit “More settings” > “Custom DNS server” > “DNS Rebinding Attack Protection” to turn off the option and then click “Apply”.