Ocean Reef GSM G.Divers Underwater Communication
Ocean Reef GSM G.Divers Underwater 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

Enhance diver safety and communication with the GSM Gdivers wireless underwater transceiver—an essential tool for training, guided dives, and professional operations. Designed for reliability and ease of use, this compact unit delivers clear, real-time communication in a lightweight, user-friendly system.
Compatible with all OCEAN REEF communication platforms and most popular underwater comm systems on the market, the GSM Gdivers operates on a single channel with a simple “push-to-talk” function—ideal for instructors, dive leaders, and teams.
Key Features
- Wireless underwater communication system
- Operating range: up to 200–250 meters (in calm sea conditions)
- Battery life: approximately 30 hours in receiving mode
- Single-channel “push-to-talk” operation for simple, reliable use
- Lightweight and compact design for maximum comfort
- Compatible with OCEAN REEF and other leading communication units
- Low battery alarm – audible signal every 30 seconds when power is low
- Powered by a 9V alkaline battery (easy to replace)
Installation Note
To mount the GSM Gdivers onto an Extender Frame, the NACS™ (Neptune Adjustable Communication Support) is required.
This accessory ensures secure mounting and proper weight distribution on the mask.
👉 NACS™ is sold separately.
Ideal For
- Dive instructors and training centers
- Guided dive tours and group diving
- Safety-focused operations
- Recreational divers looking for enhanced communication and fun
Reliable, easy to operate, and built for underwater performance—the GSM Gdivers is the perfect upgrade for any diver looking to stay connected below the surface.

Payment & Security
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