Image: Radar speed gun internal works

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Description: Inside a disassembled radar speed gun, used by police to measure the speed of cars. The copper-colored cone is the horn antenna which emits the beam of microwaves. The small grey unit mounted at its apex is a 24GHz Gunn diode oscillator which generates the microwaves. The GaAs Gunn diode is mounted inside a resonant waveguide cavity diecast from Mazak zinc aluminium alloy.
Title: Radar speed gun internal works
Credit: Derivative of: Radar Gun Electronics.jpg Original image: Radar Gun Electronics: Detail Shot on Flickr.
Author: Original work: Dennis van Zuijlekom from Ermelo, The Netherlands Derivative work: User:Chetvorno
Usage Terms: Creative Commons Attribution-Share Alike 2.0
License: CC BY-SA 2.0
License Link: https://creativecommons.org/licenses/by-sa/2.0
Attribution Required?: Yes

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Microwave

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