ATC scanner

I want to buy a scanner to listen to the ATC and traffic out there, what freq range must it have?
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Yup, it all depends on if you want to listen to military freq's too...
For just standard everyday traffic you can get one at radio shack to tune in on,
for military freq's I believe Sporty's pilot shop has one that will do it all, albeit a little pricier than the others but well worth the money if you are interested...