Here is a simple RF bug detector that will help you detect spy bugs and can operate up to 2 GHz. Below are some essential things required for this circuit: to cover a large frequency band make a sound ...

This simple circuit helps you sniff out RF radiation leaking from your transmitter, improper joints, a broken cable or equipment with poor RF shielding. The tester is designed for the 2-m amateur ...

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.

Let Hidden Camera, Bug, GPS, and RF Detector keep you safe, sweeping for hidden cameras or other trackers in any place you stay. It’s currently available for $39.99 (reg. $59) for a limited time.

The detector can be used for antenna VSWR monitoring, power-amplifier control and linearization, transmitter power control, and automatic-gain-control (AGC) circuits.