QUESTION
How we can make a pencil beam of microwaves generated from a microwave generator? The generator is not a magnetron but a microwave motion sensor.
Please give me some technical information about it.
REPLIES
IRstuff
Not practical; a 1-deg beam width would require a 78-in antenna.
SOURCE
https://www.eng-tips.com/viewthread.cfm?qid=403897
Above is a snippet.