You can find the garage door brand on the garage door opener. If you cannot determine the model and year, try all the pairing options for that brand. One of them will work.
How do I determine the garage door opener brand, model, and year?
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Do I need WIFI to connect to the garagedoorbuddy box to open and close the garage door?Do I need WIFI to connect to the garagedoorbuddy box to open and close the garage door?
Yes. This is the default option. Please make sure you can detect your WIFI signal on your phone outside of the garage. For advanced users, you can use router port
Can I use GDB remote for MyQ garage door openers?Can I use GDB remote for MyQ garage door openers?
If you know how to solder wires, check this link. https://forums.lutron.com/showthread.php/987-Chamberline-MYQ-openers-not-compatible-with-RA2-Visor-Control