T-Mobile 5GHz network not available?
Roku Streaming Stick model 3810R doesn't see T-Mobile 5G Gateway (router) 5GHz network. T-Mobile won't or can't change DSF 2A, 2C.
The T-Mobile 2.4GHz network is crowded with other wifi signals, interference, 5GHz signal is strong with many channels available.
Any work around or different Roku device that doesn't have this DSF issue?
The current firmware of the KVD21 Arcadyan seems to limit user to seperating the 2.4ghz and 5ghz bands, changing SSID (network) names and passwords. Basically, very limited user configurability.
The only real way to see what wireless channel this router is choosing for your devices is from the device itself or to use a wifi analyzer app available in the Play/Apple stores that you can install on a mobile device. (plenty of free ones). First need to verify if the router is actually using a DFS channel (52-140) that is the underlying culprit for the 3810 Streaming Stick not being able to connect on the 5ghz. (It is a normal indicator though. especially if able to connect to 2.4ghz band).
You can try adding another router after the KVD21 Arcadyan via ethernet cable and set the new router to "AP Mode" and then try to connect your Roku to this new AP on the 5ghz. You can also buy a dedicated AP, but I usually find a router in AP mode to be a better buy. (basically, because it is a spare router.) You could, also, of course, just purchase another compatible T-Mobile router (or switch out with your provider) like the predecessor Nokia models mentioned by Strega that were more configurable.
There is the off chance that rebooting the KVD21 Arcadyan will also select a channel compatible with the 3810. (Seems that is what most Arcadyan users are limited to when having trouble connecting their devices. Unplug for a couple of mins, cross your fingers, and plug back in.) Personally, I think either a new router or AP setup would be the more practical approach if needing the 5ghz band for your Roku devices.
