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Are you sure it wasn’t one of these? https://en.wikipedia.org/wiki/The_Mosquito https://en.wikipedia.org/wiki/The_Mosquito
by simpleintheory 4mo ago
Are you sure it wasn’t one of these?
https://en.wikipedia.org/wiki/The_Mosquito https://en.wikipedia.org/wiki/The_Mosquito
- dn3500 4mo agoYes. This was more than 50 years ago. The store owner let me examine the device. It was wired into his alarm system. It even had the frequency listed on the label.