Ocean REEF Underwater Communications -- Scuba Center has been selling quality scuba diving and snorkeling equipment for over 35 years. Our major suppliers include: Apeks, Aqua Lung, Atomic, Dive Rite, Henderson, Mares, Oceanic, OMS, Ocean Reef, OTS, OxyCheq, Poseidon, Sartek, SeaQuest, Trident, Viking, plus a host of accessory companies and underwater photo/video companies. You will find a wide selection of scuba and snorkeling equipment at both our Minneapolis and Eagan, Minnesota locations. If we don't stock what you need, we would be happy to special order it.

Return to our Online Dive Store Home Page View Cart

Ocean REEF Underwater Communications
Ocean REEF Underwater Communications Equipment -- GSM, GSM DC, M-100, M-105 Digital, M-105 Digital DC,...Ocean REEF -- The Ocean REEF Communication Systems redefine the concept of underwater communications. All units offer incredibly clear and precise communication. Innovative, durable, efficient, lightweight, economical, and easy to use; Ocean REEF is sure to transform your idea of what underwater communications should be. Add a new dimension to your diving experience, with an Ocean REEF Communication System.

Scuba Center is an authorized Ocean REEF Dealer.
This is your assurance that your equipment will come with the full manufacturer's warranty.

Ocean REEF Underwater Communications Equipment

Ocean REEF GSM -- Ocean REEF Underwater Communications Equipment

 GSM (Transceiver & mic assembly)
The GSM is the basic underwater transceiver unit. Manual mode only with PPT (push to talk) transmission and automatic receiving. It operates on only one channel. Designed for use with all Neptune Series masks, but can be used on any full face mask equipped with a standard DIN female connection.

Includes NACS Neptune Adjustable Communication Support

Price: $712.00   add Ocean Reef GSM to cart

 GSM DC -- Ocean REEF Underwater Communications Equipment

 GSM DC (transceiver & mic assembly)
The GSM DC (Dual Channel) incorporates the latest innovations in underwater ultrasonic 2-way radio communication. PPT (push to talk) and automatic modes. It is designed for use with all Neptune Series masks, but can be used on any full face mask equipped with a standard DIN female connection.

Includes NACS Neptune Adjustable Communication Support

Price: $848.00   add Ocean Reef GSM DC to cart

M101A receive only unit -- Ocean REEF Underwater Communications Equipment

 M101A receive only unit
M-101 A is a receive-only unit. It fits on any standard mask strap, conventional masks or full face models.		 Price: $370.00   add Ocean Reef M101A to cart

Ocean REEF Surface Communications Stations

M100 -- Ocean REEF Underwater Communications Equipment

 M100
The M100 is a portable surface transceiver unit worn on the operator’s belt. Unit has a PTT (Push to Talk) button, headphone/microphone connector, and 30 ft transducer cable. Operates on one channel and uses a 9v alkaline battery (approx. 9 hours). Range approximately 250 m (750 ft).

Includes:

  • 10 m (30 ft) transducer cable

  • Headphone/microphone

  • Screwdriver

 Price: $830.00   add Ocean Reef M100 to cart

 M-105 Digital -- Ocean REEF Underwater Communications Equipment

 M-105 Digital (includes hand held mic.)
M-105 Digital is a surface to diver communication unit which allows surface personnel to talk with divers in the water and vice versa. It has one channel. The M-105 Digital comes standard with the following:

  • Headphone connection

  • Loud speaker with volume control

  • Water resistant case with pressure compensation valve

  • Battery charger

  • Connector and cable for external 12 V DC source

  • 10 m cable and transducer (w/cable bag)

 Price: $1200.00   add Ocean Reef M-105 Digital to cart

M-105 Digital DC -- Ocean REEF Underwater Communications Equipment

 M-105 Digital DC (includes hand held mic.)

M-105 Digital DC is a surface to diver communication unit which allows surface personnel to talk with divers in the water and vice versa. It is like the M-105 Digital, but with the addition of a second channel. The M-105 digital comes standard with the following items:

  • Additional second channel

  • Headphone connection

  • Loud speaker with volume control

  • Water resistant case with pressure compensation valve

  • Battery charger

  • Connector and cable for external 12 V DC source

  • 10 m cable and transducer (w/cable bag)

 Price: $1330.00   add Ocean Reef M-105 Digital DC to cart

M-105 Digital Mariner -- Ocean REEF Underwater Communications Equipment

 M-105 Digital Mariner (includes hand held mic.)
M-105 D Mariner is a surface to diver communication unit that may be installed on board a boat. It has the same operations and technical characteristics of the M-105; however, the M-105 Mariner uses a 12 v power source. The cable and transducer may be made to different lengths to accommodate fixed installations. It not only connects to a main power supply, but also to an internal loudspeaker system. The M-105 D Mariner kit includes:

  • M-105 Digital electronics, assembled on an anodized aluminum panel (can be arranged horizontally or vertically)

  • 10 m cable and transducer

  • PTT (push to talk) microphone

  • Marine loudspeaker

 Price: $1200.00   add Ocean Reef M-105 Digital Mariner to cart
M-105 Headset Price: $42.00   add Ocean Reef M-105 Headset to cart

Ocean REEF Hard Wire Surface Communications Stations

Alpha Pro -- Ocean REEF Underwater Communications Equipment

 

 Alpha Pro is a hardwired, full-duplex underwater communication system for conversations between the surface and one or two divers. The system includes a surface unit, an underwater unit, and a 50 m (165 ft) Surface/Diver unit cable.  

  • 2 ports for 2 communication cables

  • On/off and volume adjustment switches

  • Microphone

  • Switch for communication between surface and diver 1, surface and diver 2, surface and diver 1 and diver 2

  • Headset port (headset optional)

  • External power charger, 9/12 v (cable optional)

  • Battery charger port for 6 v rechargeable battery

  • Audio/video recall

  • Incorporated speaker

  • Standby autonomy 24 hrs

 Price: $1300.00   add Ocean Reef Alpha Pro to cart

Ocean REEF Alpha Pro Underwater unit --

Alpha Pro Underwater unit
By adding an additional surface/diver cable and underwater unit, the Alpha Pro may communicate with two divers at the same time. It is also possible for the surface to switch between each of the divers. Order cables below.

Mask sold separately.

 Price: $328.00   add Alpha Pro Underwater Unit to cart

Ocean REEF Hard Wire Communications Ropes

Professional surface/diver cable (custom lengths available) -- Order Online

While these are excellent reference materials, in no way should this information be considered a replacement for proper training for the specific type of diving in which you plan to participate.