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Make 2.45GHz RF Signal Detector

This passive RF indicator is made from a few simple parts.  A 100uA moving coil meter is used to display the relative intensity of the RF signal.  This circuit can be used with some cellphones and many cordless telephones.

2GHzDet3, Make 2.45GHz RF Signal Detector

2GHzDet3, Make 2.45GHz RF Signal Detector