GSM DC (dual channel)
Underwater transciver unit which offers powerful, clear and multichannel communication. DSP microprocessor digital driver included for verbal message equalization.
Automatic DAT system for hands-free communication. 2 transceiver channels. 2 buttons for PTT transmission, channel switching and DAT activation. 200 mt range.
Activating the DAT starts a 30 – 20 – 30 second cycle during which the unit will be in 1) transmission mode 2) receiving mode 3) transmission again. This way, the diver has the possibility of working with both hands free and still communicating. The DAT cycle will continue unless turned off – this can be helpful in worst case scenario emergencies when the diver is in extreme distress and wants to send out a continuous message of his presence (transmission will signal to receiving units even if no words are spoken).
DAT (Digital Activation Transmission)
This automatic activation system is an exciting innovation in underwater communication exclusively from OCEAN REEF. The DAT™ system allows the option of transmitting in a hands-free mode rather than manual mode. To activate transmission, quickly press and release the “B” button. Once the button is pressed, a series of impulses are sent out, automatically keeping the unit in transmit mode for 30 seconds. After the initial 30 seconds of transmit mode, the unit will return to receive mode for 20 seconds accompanied by a series of impulses in a different tone from the first. This cycle continues until the “B” button is pressed for at least one second, which returns the unit to manual mode. DAT™ is useful when it is necessary to have both hands free while transmitting, making diving more comfortable and safe. Another benefit of the DAT™ system comes in the case of an emergency; by activating the DAT™ a series of impulses will emit every 30-20-30 seconds, which can be received at a great distance by search and rescue workers and other divers.