Ocean Reef M105 Digital DC Surface Communication
Ocean Reef M105 Digital DC Surface Communication is backordered and will ship as soon as it is back in stock.
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How Our Preorder Process Works
How Our Preorder Process Works
Products with a preorder tag typically require additional time for processing, either due to manufacturing timelines or special shipping requirements. Some products may also be custom-sized or designed, which can extend the processing time. When you order products marked with a preorder tag, please be aware that shipping times may vary between 1 to 8 weeks, depending on the item. For example, Ocean Reef Full Face Mask typically ship within 10-14 days and Professional Surface Communication Units Dispatches in Approx. 45–60 Days.
If you have any questions about warranty, feel free to email us at info@divegearzone.com.
Delivery and Shipping
Delivery and Shipping
Currently, we offer shipping within theUnited Arab Emiratesand other Middle Eastern countries. We have also recently added selected international shipping destinations and are actively working to expand our delivery services worldwide.
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 and other international destination take 5 to 8 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 M105 DIGITAL DC – Dual Channel Surface-to-Diver Communication System
(Dispatches in Approx. 10-14 Days)
The M105 Digital DC is a high-performance surface-to-diver communication unit designed for professional diving operations, training, and safety applications. Building on the proven reliability of the M105 Digital, this advanced version adds a second transceiver channel, allowing operators to manage two independent communication lines with ease.
With powerful transmission, extended battery life, and flexible power options, the M105 Digital DC is ideal for commercial diving, public safety, and multi-team coordination underwater.
Key Features
Dual Channel Communication
- Two independent channels for managing separate diver groups
- Easily switch between channels with a dedicated control button
Professional Surface-to-Diver System
- Communicate with multiple divers simultaneously using wireless communication units
- Compatible with standard underwater communication systems
- Supports direct communication with PTT walkie-talkies
High Performance & Power
- Up to 48 hours operation with internal 6V lead battery
- Can also be powered via 12V DC external source
- Smart activation system (unit powers on only when antenna is connected)
Reliable Design
- Water-resistant case with pressure compensation valve
- LED battery indicator for real-time power status
- Built for demanding marine and professional environments
Audio & Control
- Integrated speaker and microphone
- Headphone connection for private communication
- Adjustable volume control for clear audio in all conditions
Flexible Deployment
- Standard 10m (33 ft) transducer cable
- Optional longer cables available (amplifier recommended for extended lengths)
- Operator-controlled transducer depth for optimized signal performance
What’s Included
- M105 Digital DC Main Unit
- Transducer Cable (10m / 33 ft)
- Microphone
- Speaker (integrated)
- Headphone Connection
- Battery Charger
- Carrying Bag
- Built-in LED Battery Tester
Optional Accessories
- Audio Out Cable (Code: 8590)
- Headset (Code: 8589)
- Antenna Tuner for >50m (Code: OR008609)
- Antenna Splitter (Code: OR023001)
- External Power Cable (Code: 8594)
Technical Specifications
- Communication Type: Surface-to-diver wireless system
- Channels: Dual channel (independent switching)
- Battery: 6V lead battery (internal)
- Battery Life: Up to 48 hours
- External Power: 12V DC supported
- Cable Length: 10m standard (custom lengths available)
Why Choose M105 Digital DC?
- Ideal for multi-team diving operations
- Reliable communication in professional and safety-critical environments
- Long battery life for extended missions
- Flexible setup with dual channel control and external power options

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Payment & Security
Payment methods
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