Thanks Art. This is very good info for all.
Also the garage door opener is a hot commodity. Remember a thief does not need a GPS in order to find you. How many people have a some mail or a document that has their home address on it. We don't think of these things. Also how many have the garage door opener out in the open for all to see. We all do it for convenience but it a very dangerous.
Remember to use common sense!
Lets all be safe out there.