Ocean Reef M100 G.Divers Surface Communication
Ocean Reef M100 G.Divers Surface Communication is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
Currently, we offer shipping within the United Arab Emirates and other Middle Eastern countries. However, we are actively working to expand our shipping services to cover international destinations.
We generally process orders from Monday to Friday and strive to ship them within 24 hours. Shipments within Dubai typically arrive within 1-2 business days, while deliveries to other Emirates generally take 2-3 days. Deliveries to Middle Eastern countries usually take 4 to 5 working days, excluding customs clearance. Please be aware that delays or variations in delivery times may occur due to shipping courier delays, unforeseeable events, or extreme weather conditions. Read More.
Returns and Refunds
Returns and Refunds
We have a 14-day return policy, which means you have 14 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase. Reed More

OCEAN REEF M100 G.divers – Portable Surface-to-Diver Communication System
The M100 G.divers is a compact, high-performance surface transceiver unit designed for reliable communication between surface operators and divers. Built for ease of use, portability, and efficiency, this lightweight system eliminates the need for bulky and complex communication setups.
With a size comparable to a smartphone, the M100 G.divers is the perfect solution for dive instructors, safety teams, and professional operations requiring clear, real-time underwater communication.
Key Features
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Portable & Lightweight Design
Compact unit easily worn on the operator’s belt for maximum mobility -
Surface-to-Diver Communication
Reliable single-channel communication with a range of up to 200 meters (600 ft) -
Push-To-Talk (PTT) Control
Simple and responsive PTT button for clear voice transmission -
Automatic Power Function
- Turns ON when headset is connected
- Turns OFF automatically when disconnected
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Adjustable Transducer Depth
10-meter (33 ft) cable allows flexible positioning for optimal signal performance -
User-Friendly Operation
No complex setup—ideal for fast deployment in real diving conditions
Performance & Power
- Operating Range: Approx. 200 meters (600 feet)
- Battery: 9V alkaline (replaceable)
- Battery Life: Up to 30 hours
- Communication Type: Single-channel surface-to-diver system
What’s Included
- 10m (33 ft) Transducer Cable
- Headphone / Microphone Set
- Screwdriver
- M100 G.divers Main Unit
Why Choose M100 G.divers?
- Ideal for dive training, guided dives, and safety operations
- Compact alternative to heavy and expensive communication systems
- Fast setup with plug-and-play functionality
- Reliable performance in real-world diving conditions

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Payment & Security
Payment methods
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