Only a very few garage openers have interference problems with the smart opener. Moving the smart device as far as it can is the way to reduce or avoid interference. You can connect the device to your wall button or use the accessory to resolve the issue.
Ways to do:
1. Move the device to the wall button. You can refer to the MSG100 example below, connect the 'Signal Control Cable' to the wall button wires to do it.
2. Claim the accessory at this link (only applicable to the Chamberlain, Liftmaster, Craftsman, and partial Genie openers).