Tech: Two-Way Breaks Out

Walkie-talkies are a hit with families. But which model should you buy?

Now that more than half of all Americans own a cell phone, it may seem surprising that two-way radios haven't become obsolete. But there are many good reasons for their survival.

Two-way radios work best where cell phones don't operate at all. Because the radios communicate directly with each other, as opposed to bouncing signals off cellular towers, they can be used in remote or outdoor areas where it's impossible to place a cell-phone call. They're especially good in emergencies when cellular lines might be jammed. With no monthly fee, they offer a cheap way to keep tabs on the family,...

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