The GSM Mercury is a high-performance, wireless ultrasonic communication unit that enables clear diver-to-diver and diver-to-surface audio. Featuring dual-channel operation and a fold-into-mask design, it provides professional-grade communication for recreational, public safety, and training scenarios.

RM5,045.00

Product Overview

The GSM Mercury (code OR033150) is a digital, wireless ultrasonic communication unit from OCEAN REEF. It combines long-range capability with clear audio and dual-channel operation in a fold-into-mask design for easy transport.

Purpose

This unit enables clear diver-to-diver and diver-to-surface communications for recreational, professional, public safety, and training scenarios. It also supports hands-free communication via DAT mode when needed.

Key Features

  • Audio Quality: Features two speakers with 3-level volume adjustment to provide a stereo-like experience.

  • User Interface: Uses a PTT/MIC assembly for ergonomic push-to-talk and easy lever control.

  • Dual Channels: Operates on two channels (ch1 and ch2).

  • Power & Autonomy: Provides approximately 25–30 hours of autonomy and recharges in about 1 hour.

  • Smart Activation: Activates automatically when submerged and includes voice menu prompts.

  • Compatibility: Works with all OCEAN REEF underwater wireless units and competitor units using the same frequency.


Technical Specifications

  • Frequency: Channel 1 ultrasonic at 31.768 kHz.

  • Connectivity: Includes a 6-pin waterproof connector for hardwiring to ALPHA PRO X DIVERS and is interface-ready for VHF via a surface kit.

  • Power: Uses a user-replaceable 9V alkaline battery.

  • Microphone: Features a D-Mic with a hydrophobic membrane designed to reduce exhalation bubble noise.

  • Environmental: Designed for immersion; requires rinsing with fresh water after dives and avoidance of direct sunlight.

Compatibility

The unit can be assembled on OCEAN REEF full face masks with an Extender Frame, as well as on OTS, Interspiro AGA, and Kirby Morgan M-48 MOD-1 full face masks using proper OCEAN REEF adapters.


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You can also explore our website to see our full product range and latest updates. Whether you are a seasoned pro or a beginner, we are here to make your journey safe, fun, and unforgettable.

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