This is a simple but very useful device that illuminates a green or red LED when an amateur radio is transmitting within it’s proximity.
Twisted and soldered for a strong connection!
The devices are completely passive, requiring no batteries or power. The circuit is simple and very thin, making it easy to install in a low-profile situation.
This is a bulk order for the DIY circuit by itself to attach your own wire and make it resonant! The lower the frequency, the farther away it will activate.
This will not be trimmed or lengthened to a particular resonance. Simply add wire to each side to be resonant with your target frequency!
The time to ship depends on stock and supply, we’ll try to communicate as clearly as possible! This item is also available on eBay if you prefer that platform.