The meter, then, shows the strength of RF energy at the tuned frequency. Some meters even have a headphone jack so you can listen to the signal (making it almost a crystal radio). One reason many ...

It’s not so far-fetched though, while bugs and hidden cameras in for example an Airbnb may not have flashing LEDs, they still emit RF and can be detected with a signal strength meter.

In addition to extending smart-meter lifetime by 50%, from 20 to 30 years, Tuxera's solution improves data resiliency.

The "Smart Meter Market by Type (Electric, Gas, Water), Component (Hardware, Software), Technology (AMI, AMR), Communication Technology (RF, PLC, Cellular), End User (Residential, Commercial, ...