[Lowfer] wireless doorbells

[Douglas D. Williams]

Well, my (unknown age) doorbell finally bit the dust. It's the old wired
style with the bell in the hallway and the transformer in the attic. I may
just replace it with one of the newer wireless models. I assume they operate
on a Part 15 frequency. Anyone know if I am apt to experience any QRM issues
on LF? Does the button only transmit when pressed?

Doug - KB4OER