underwater communication technology opinion

I'm an Iraq Vet out of work, need money to pay bills. Only used this unit once. I dive at a desert lake and my GF didn't like sitting by the shore talking to me while I was underwater because the bugs were eating her alive. Poor Girl. This is a great unit, though! My Ebay Auction. Will be...

Hi Guys I'm new to the field of underwater communication and would like to get an idea of how people other than my self feel about the issue. I've heard some divers who wouldn't trade the peace and quite they experience when diving for any type of communication gadget, others who are greatly...