Easy enough to buy a AM or FM transmitter these days. Perhaps just buy a small boat transmitter or even a PMR from a shop?
For that matter rig up a telephone line and you can trigger a device from across the World.
Once SpaceX or Amazon get their thousands of Internet satellites up, why not just use that to rig a trigger. Let's see the local governments try to block a signal from Space.
Eeek.
Biting the hand that feeds IT
