It’s not so far-fetched though, while bugs and hidden cameras ... electronic scanner made real. At the rear of the device is an ESP32, but the front end is an AD8317 RF detector chip.

Privacy is expected when you're staying in a hotel or holiday rental, but sometimes, hidden cameras can be watching your every move.

you can use Bluetooth to scan for connected devices in the room. If you find any suspicious devices, report them to hotel management or local authorities. With the rise in hidden camera scams ...