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Here's a graphic of emergency comm options I thought this sub might be interested in.
http://www.zipscanners.com/resources/emergency-communication-devices/
I have the 436 and it's been great. I have not used the 396 but the reviews on the 436 have been tip top as far as I can tell.
The cost difference only being $60ish I'd go with the 436 as most tech - newer is better. Why are you thinking about the 396?
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