All-band receiver hides in plain sight

all-band-receiver-in-disguise

This handheld radio has a little secret. You're not going to be able to listen to Limbaugh since the original FM tuning circuit has been removed and replaced by a diode detector. Now [Miguel A. Vallejo] a discreet way to look for interesting radio signals in public. The first step that he took was to remove the circuit board from the case and depopulate the tuning circuit while leaving the … [Read more...]