I'm looking to buy an XM radio for my car, and I'm curious as to whether or not this will work. I do not want to have it installed into the car because I think that in a year or so I'll be getting a new car (does that make sense?). So I checked out the website, and I saw two ways you can install it. One was using a cassette player, but I don't have one in my car. And the other was attaching something to the antenna, and strangely, my car has no external antenna so I don't think that would work.
So my question is, how would I go about installing one? And if I chose professional installation, how much is that going to cost me, roughly?
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