Settings > System > About will show you your model Name and model number.
The current Ultra and Streaming Stick+ models are claimed to have the best wifi capabilities.
Roku Community Streaming Expert
I am not a Roku employee, only a user like you.
Streaming Stick 4K+ 3821 | Streaming Stick+ 3810 | TCL Roku TV 43S245/C107X | Streaming Stick 3600
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