When my daughter was a baby, we had a baby monitor that would receive and transmit all over the place. There was a Wendy's behind us and a Long John Silvers nearby, we got all of the orders, two meters we heard it. The thing would transmit a decent distance, I put the kid down for a nap once, said "I love you." and this old woman came over the receiver, "Delores, did you hear that? That man said he loved you!"
When I was younger there was some local guy that I met who had a two meter mobile rig. It had the Mars mod so it could transmit out of band. At the time all the fast food drive-thrus were in the VHF Business band and if you set in a parking lot long enough you could figure out the frequency for the headsets and the frequency for the drive-thru. It certainly provided some entertainment