Would there be any advantage in having a small two-way radio system attached to your rock-climbing helmet? Basically so you and your partner can talk to each other easily while climbing. Tim Dunedin, New Zealand
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My wife keeps bugging me about getting a phone so I can keep in touch with her when I'm out backpacking for several days. Is there something light and somewhat affordable available? Peter San Carlos, CA
I've seen quite a few hikers with two-way radios on the trail. What's your take: recreational gimmick or worthwhile piece of equipment? Our family of four hikes together a fair amount, so I can see their worth. But, then again, does trail etiquette mean this is akin to using a cell phone on the bus? Philip Burlington, Vermont
I looking for a two-way radio. I don't know much about them and need some advice on a dependable and weatherproof model for outdoor activities such as camping and boating. So it would need to be. I hear you need a license for anything that has range of over five miles and would like to avoid that. KJ San Diego, California