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really cant beat the sennas for communication. they are expensive though to outfit the whole crew. they are hard to keep charged and ready. if one person on the crew isnot outfitted they are left out and it is MORE dangerous. there are distraction issues people jamming to music taking phone...

yes

this was the coolest thing I saw at TCIA. simpler than sennas. only 60 for unit. just buzzez the crew when yiu need their attention. no pandora, no phone calls, no crew guy breathg and whistleing in your ear. just a little buzzer. great idea and i hope he getz these out to us...