Signal enhancer
I don't have one but I'm considering getting one as I want to get the most out of my cell phone.
You don't need to go through some TV ad; I've seen these in Walgreens and Wal-Mart for the same $20., minus the big S&H fee they tack on when you mail order. Check around before you order. I think the enhancer antenna is probably somewhat effective, if not as great as the ads claim. Probably worth $20.
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