I love this little DIY cell/wifi/ radar Detector,  simple cheap

Enter Point Contact Mixer Diode 1N3747 Ten Bucks LOL

https://www.youtube.com/watch?v=xYjEkg7FuM0

This is way cool and super easy to make. The detector you can buy are

Way expensive and do not get into the 10Ghz band this little thing

Can, it can  decode in a great range of frequencies.  For  10-30 bucks.

Later J

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Comments

  • ok what is the set up with this device for us Tis?  How do we use it for our advantage?

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