Ocean Reef GSM G.Divers 2nd stage the full-length side-zip accessed main

the full-length side-zip accessed main compartment is spacious enough for a complete cold-water dive kit

Complete Instrumentation w/Digital Compass

The Alpha 8 second stage is a dependable downstream demand valve design

Oceanic is able to make a smaller air cell

Ocean Reef GSM G.Divers 2nd stage the full-length side-zip accessed mainOverview Wireless underwater transceiver unit, with the autonomy of approx. 30 hours in receiving mode, and range of operation of 200 250 meters (calm sea water), lightweight, powerful single channel and push to talk communication system make the GSM Gdivers the perfect addition to any training class or guided tour, for extra safety and for fun! The unit operates on the same frequency as all other OCEAN REEF units and most popular wireless