EDN

RF Spy Bug Detector Circuit

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 ...
EDN

Simple 144 MHz RF Detector

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 ...

Combat Hidden AirTag Trackers & GPS Transmitters. Spy Associates Launches SpyFinder(R) ProScan: Bluetooth GPS RF Detector on Kickstarter

In response to the escalating concerns over unauthorized GPS tracking and hidden AirTag Bluetooth surveillance, Spy Associates today announced the launch of its groundbreaking SpyFinder(R) ProScan ...
Electronic Design

Bidirectional Bridge with Dual RMS Detectors Targets RF Power, Return-Loss Measurement

Download this article in PDF format. Directional couplers are used in a wide variety of applications to sense RF power, and they may appear at multiple points in a signal chain. In this article, we ...