An interesting thing happened.
I found out that the remote for my house's gate also opens the gate for a house down the street from me.
This is a pretty worrying thing, considering that our electric fence & new gate would be completely useless if someone just had the right remote control for our gate.
I know that remotes work on codes, and its possible for two to have the same code, but its really odd that it opens the gate for a house so close to me. These identical codes should be really rare, but I'll find that out soon.
I'm going to see how many gates my remote can open.