Ocean Reef M100 G.Divers Portable Surface Unit Scuba diving mask please contact us well in

please contact us well in advance

or OTR will identify which time is being displayed

scientific diving

by credit card over the phone or by internet banking

It is important to note when changing the oxygen percentage in settings for Nitrox mixes

Ocean Reef M100 G.Divers Portable Surface Unit Scuba diving mask please contact us well inOverview The M100 G. divers is a portable surface transceiver unit that may be worn on the operators belt. This is a high performance, compact, and easy to use unit. It is made to respond to the demands of communicating with divers in action without carrying expensive, complicated and heavy units. The size of the main unit is similar to a cellphone. The main unit has a PTT (Push to Talk) button and a headphone microphone connector. The unit turns on