Warranty Information
This product has a limited warranty of 6 months.
www.leisurepro.com
1.888.805.3600
(Mask & Regulator Not Included)
In the era of mobile telephones, underwater communication represents an essential evolution not only for safety, but also to improve and widen the operating conditions. To communicate means to exchange information and emotions in real time. It means to make the dive easier, more comfortable and amusing. It means to open new horizons to the underwater activity.
If you loose sight of your dive buddies or the boat, you are completely isolated, unless you have an appropriate transceiver. Ocean REEF proposes an underwater communication standard, which is solid, sturdy, and easy to use for recreational diving, research, training, commercial or scientific use.
The GSM DAT (code 33116) communication system incorporates the latest innovation in underwater ultrasonic 2-Way Radio communication; featuring a digital driver for vocal message equalization and an automatic system for activating (DAT) transmission.
The GSM DAT can be used on the Neptune II Full Face Mask, preferred, or on other Full Face Masks fitted with a standard DIN female connection. Underwater communication technology is accomplished with ultrasound and is started by a PTT, Push To Talk, microphone button, which must be pressed to activate transmission and released to receive. The standard frequency is the same for all units, so it is possible to talk directly with any other GSM DAT or GSM models, all M-101A receive units, surface M-105 Digital units and all previous surface systems. The GSM DAT sound qualities depend both on the D-Mic microphone and the microprocessor, which takes the digitized vocal message and filters out unwanted noise caused by exhaust air bubbles or vibrations of the mask, particularly the visor.
The D-Mic housing has a hydro phonic membrane, which is permeable to air, but prevents water from passing through into the electronics. The membrane limits attenuation of the vocal signals thanks to its reduced thickness. The permeable characteristics of the membrane keep the internal pressure equalized at the same level as the external ambient pressure so that the microphone can practically be used at any depth.
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