Best Diving Communication Devices. Reviews September, 2020

Mares Magnetic Shaker Scuba Diving Communication Device

Search only Mares brand name
Mares Magnetic Shaker Scuba Diving Communication Device

Current price: 27.95 USD

Saving: $4.88 (15%)


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Height: 1 Inches

Length: 7 Inches

Width: 1 Inches

Weight: 0.220462262 Pounds

  • A useful underwater safety device
  • Great for underwater communication
  • Shaking the device moves the ball bearing, creating a loud echo sound underwater
  • Magnet is located inside on either end of the shaker with a ball bearing in between
  • Uses a special magnetic system

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Innovative Scuba Concepts Mini Quest Underwater Slate Is Magnetic / Erasable, Black

Search only Innovative Scuba Concepts brand name
Innovative Scuba Concepts Mini Quest Underwater Slate Is Magnetic / Erasable, Black

Current price: 30.92 USD


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Height: 1.25 Inches

Length: 6.75 Inches

Width: 5.9 Inches

Weight: 0.75 Pounds

  • A useful underwater safety device
  • Great for underwater communication
  • Shaking the device moves the ball bearing, creating a loud echo sound underwater
  • Magnet is located inside on either end of the shaker with a ball bearing in between
  • Uses a special magnetic system
  • White magnetic screen has superior contrast for best visability at depth
  • Write, erase, write again... erases with the push of thumb button
  • Built in cover protects the Quest, then rotates and snaps securely
  • Palm-sized Slate that is smaller than full Quest
  • Patented, underwater magnetic Slate enables you to communicate, then swipe the Slate clean, and start all over again

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OCEAN REEF - GSM Mercury Underwater Wireless Communication Unit

Search only OCEAN REEF brand name
OCEAN REEF - GSM Mercury Underwater Wireless Communication Unit

Current price: 829.95 USD


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  • A useful underwater safety device
  • Great for underwater communication
  • Shaking the device moves the ball bearing, creating a loud echo sound underwater
  • Magnet is located inside on either end of the shaker with a ball bearing in between
  • Uses a special magnetic system
  • White magnetic screen has superior contrast for best visability at depth
  • Write, erase, write again... erases with the push of thumb button
  • Built in cover protects the Quest, then rotates and snaps securely
  • Palm-sized Slate that is smaller than full Quest
  • Patented, underwater magnetic Slate enables you to communicate, then swipe the Slate clean, and start all over again
  • Micro USB charging, Rechargable, 30h dive time, changeable battery
  • Dual Channel
  • Underwater Wireless Communication unit.

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Dive Alert Signaling Device for Scuba Dive Diving Diver BC BCD Emergency Signal, DA-3X

Search only Dive Alert brand name
Dive Alert Signaling Device for Scuba Dive Diving Diver BC BCD Emergency Signal, DA-3X

Current price: 79.95 USD


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  • A useful underwater safety device
  • Great for underwater communication
  • Shaking the device moves the ball bearing, creating a loud echo sound underwater
  • Magnet is located inside on either end of the shaker with a ball bearing in between
  • Uses a special magnetic system
  • White magnetic screen has superior contrast for best visability at depth
  • Write, erase, write again... erases with the push of thumb button
  • Built in cover protects the Quest, then rotates and snaps securely
  • Palm-sized Slate that is smaller than full Quest
  • Patented, underwater magnetic Slate enables you to communicate, then swipe the Slate clean, and start all over again
  • Micro USB charging, Rechargable, 30h dive time, changeable battery
  • Dual Channel
  • Underwater Wireless Communication unit.
  • FULL WARRANTY
  • HOUSE OF SCUBA is an AUTHORIZED DEALER
  • Dive Alert Signaling Device Power Whistle Safety System

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New MINI QUEST Underwater Magnetic Communication Slate for Scuba Diving - Black

Search only Innovative Scuba Concepts brand name
New MINI QUEST Underwater Magnetic Communication Slate for Scuba Diving - Black

Current price: 35 USD


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  • A useful underwater safety device
  • Great for underwater communication
  • Shaking the device moves the ball bearing, creating a loud echo sound underwater
  • Magnet is located inside on either end of the shaker with a ball bearing in between
  • Uses a special magnetic system
  • White magnetic screen has superior contrast for best visability at depth
  • Write, erase, write again... erases with the push of thumb button
  • Built in cover protects the Quest, then rotates and snaps securely
  • Palm-sized Slate that is smaller than full Quest
  • Patented, underwater magnetic Slate enables you to communicate, then swipe the Slate clean, and start all over again
  • Micro USB charging, Rechargable, 30h dive time, changeable battery
  • Dual Channel
  • Underwater Wireless Communication unit.
  • FULL WARRANTY
  • HOUSE OF SCUBA is an AUTHORIZED DEALER
  • Dive Alert Signaling Device Power Whistle Safety System
  • Patented white magnetic screen has superior contrast for the best readability at depth
  • Tough, built-in rotating cover protects the Mini Quest, rotates 360° and snaps securely to back or front
  • 30% smaller than the full-sized Quest, palm-sized, and stows easily
  • Mini QUEST Quick Underwater Erasable Slate Technology for Scuba Diving and Snorkeling

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New 2014 Ideation Dive Alert Plus Version 2 Signaling Device - DV3 for the ScubaPro A.I.R. 2, TUSA Duo-Air, Sherwood Gemini, Diverite Source, H2Odyssea Inflator Plus, Atomic SS1, & the Zeagle Octo-Z

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New 2014 Ideation Dive Alert Plus Version 2 Signaling Device - DV3 for the ScubaPro A.I.R. 2, TUSA Duo-Air, Sherwood Gemini, Diverite Source, H2Odyssea Inflator Plus, Atomic SS1, & the Zeagle Octo-Z

Current price: 89.95 USD


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  • A useful underwater safety device
  • Great for underwater communication
  • Shaking the device moves the ball bearing, creating a loud echo sound underwater
  • Magnet is located inside on either end of the shaker with a ball bearing in between
  • Uses a special magnetic system
  • White magnetic screen has superior contrast for best visability at depth
  • Write, erase, write again... erases with the push of thumb button
  • Built in cover protects the Quest, then rotates and snaps securely
  • Palm-sized Slate that is smaller than full Quest
  • Patented, underwater magnetic Slate enables you to communicate, then swipe the Slate clean, and start all over again
  • Micro USB charging, Rechargable, 30h dive time, changeable battery
  • Dual Channel
  • Underwater Wireless Communication unit.
  • FULL WARRANTY
  • HOUSE OF SCUBA is an AUTHORIZED DEALER
  • Dive Alert Signaling Device Power Whistle Safety System
  • Patented white magnetic screen has superior contrast for the best readability at depth
  • Tough, built-in rotating cover protects the Mini Quest, rotates 360° and snaps securely to back or front
  • 30% smaller than the full-sized Quest, palm-sized, and stows easily
  • Mini QUEST Quick Underwater Erasable Slate Technology for Scuba Diving and Snorkeling

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Trident AquaMaraca Scuba Diving Underwater Noise Signal Device-Green

Search only Scuba Sonics brand name
Trident AquaMaraca Scuba Diving Underwater Noise Signal Device-Green

Current price: 26.99 USD


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Weight: 0.1 Pounds

  • A useful underwater safety device
  • Great for underwater communication
  • Shaking the device moves the ball bearing, creating a loud echo sound underwater
  • Magnet is located inside on either end of the shaker with a ball bearing in between
  • Uses a special magnetic system
  • White magnetic screen has superior contrast for best visability at depth
  • Write, erase, write again... erases with the push of thumb button
  • Built in cover protects the Quest, then rotates and snaps securely
  • Palm-sized Slate that is smaller than full Quest
  • Patented, underwater magnetic Slate enables you to communicate, then swipe the Slate clean, and start all over again
  • Micro USB charging, Rechargable, 30h dive time, changeable battery
  • Dual Channel
  • Underwater Wireless Communication unit.
  • FULL WARRANTY
  • HOUSE OF SCUBA is an AUTHORIZED DEALER
  • Dive Alert Signaling Device Power Whistle Safety System
  • Patented white magnetic screen has superior contrast for the best readability at depth
  • Tough, built-in rotating cover protects the Mini Quest, rotates 360° and snaps securely to back or front
  • 30% smaller than the full-sized Quest, palm-sized, and stows easily
  • Mini QUEST Quick Underwater Erasable Slate Technology for Scuba Diving and Snorkeling
  • Shake Things Up Your Next Time Down!
  • Computer Design Techniques and Extensive Testing
  • Improve Basic Underwater Communications
  • Scuba Sonics - AquaSonic Underwater Alarm
  • Scuba Sonics - AquaSonic Underwater Alarm, Lanyard

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Mares Quad Dive Computer Blue with Interface BLUELINK PRO

Search only Mares brand name
Mares Quad Dive Computer Blue with Interface BLUELINK PRO

Current price: 426.9 USD


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  • A useful underwater safety device
  • Great for underwater communication
  • Shaking the device moves the ball bearing, creating a loud echo sound underwater
  • Magnet is located inside on either end of the shaker with a ball bearing in between
  • Uses a special magnetic system
  • White magnetic screen has superior contrast for best visability at depth
  • Write, erase, write again... erases with the push of thumb button
  • Built in cover protects the Quest, then rotates and snaps securely
  • Palm-sized Slate that is smaller than full Quest
  • Patented, underwater magnetic Slate enables you to communicate, then swipe the Slate clean, and start all over again
  • Micro USB charging, Rechargable, 30h dive time, changeable battery
  • Dual Channel
  • Underwater Wireless Communication unit.
  • FULL WARRANTY
  • HOUSE OF SCUBA is an AUTHORIZED DEALER
  • Dive Alert Signaling Device Power Whistle Safety System
  • Patented white magnetic screen has superior contrast for the best readability at depth
  • Tough, built-in rotating cover protects the Mini Quest, rotates 360° and snaps securely to back or front
  • 30% smaller than the full-sized Quest, palm-sized, and stows easily
  • Mini QUEST Quick Underwater Erasable Slate Technology for Scuba Diving and Snorkeling
  • Shake Things Up Your Next Time Down!
  • Computer Design Techniques and Extensive Testing
  • Improve Basic Underwater Communications
  • Scuba Sonics - AquaSonic Underwater Alarm
  • Scuba Sonics - AquaSonic Underwater Alarm, Lanyard
  • Back Light Function for Diving in Low Light Conditions, Air, Nitrox or Bottom Timer Device, Dive Mode: Current Depth, Maximum Depth, Stopwatch, Dive Time and Temperature, Ascending; Ascent Speed in Feet or Meters per Minute
  • Residual Nitrogen Reset, Audio and Visual Alarms, Ascent Rate Functions, Altitude Adjustable to 12,100' (3,700 meters) | Algorithm: RGBM Mare-Wienke, Clock: Quartz, Time and Date
  • Maximum Depth Display: 492' (150 meters) | Memory Capacity: 38 Hours, Imperial or Metric Units of Measure, Set for Fresh or Saltwater Diving, Stopwatch, Power Indicator and Plan Mode Functions
  • Gas Switching: One or More Oxygen Enriched - Gases (up to 99%) | Switching Gases During the Dive, Benefit from Shorter Decompression Times
  • Mineral Glass Display: Tempered Glass, Superior Scratch Resistance, Improved Readability in All Diving Conditions & Viewing Angles

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Dive Alert New Ideation Plus Version 2 Signaling Device - DV1 for All Standar.

Search only Dive Alert brand name
Dive Alert New Ideation Plus Version 2 Signaling Device - DV1 for All Standar.

Current price: 79.95 USD


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  • A useful underwater safety device
  • Great for underwater communication
  • Shaking the device moves the ball bearing, creating a loud echo sound underwater
  • Magnet is located inside on either end of the shaker with a ball bearing in between
  • Uses a special magnetic system
  • White magnetic screen has superior contrast for best visability at depth
  • Write, erase, write again... erases with the push of thumb button
  • Built in cover protects the Quest, then rotates and snaps securely
  • Palm-sized Slate that is smaller than full Quest
  • Patented, underwater magnetic Slate enables you to communicate, then swipe the Slate clean, and start all over again
  • Micro USB charging, Rechargable, 30h dive time, changeable battery
  • Dual Channel
  • Underwater Wireless Communication unit.
  • FULL WARRANTY
  • HOUSE OF SCUBA is an AUTHORIZED DEALER
  • Dive Alert Signaling Device Power Whistle Safety System
  • Patented white magnetic screen has superior contrast for the best readability at depth
  • Tough, built-in rotating cover protects the Mini Quest, rotates 360° and snaps securely to back or front
  • 30% smaller than the full-sized Quest, palm-sized, and stows easily
  • Mini QUEST Quick Underwater Erasable Slate Technology for Scuba Diving and Snorkeling
  • Shake Things Up Your Next Time Down!
  • Computer Design Techniques and Extensive Testing
  • Improve Basic Underwater Communications
  • Scuba Sonics - AquaSonic Underwater Alarm
  • Scuba Sonics - AquaSonic Underwater Alarm, Lanyard
  • Back Light Function for Diving in Low Light Conditions, Air, Nitrox or Bottom Timer Device, Dive Mode: Current Depth, Maximum Depth, Stopwatch, Dive Time and Temperature, Ascending; Ascent Speed in Feet or Meters per Minute
  • Residual Nitrogen Reset, Audio and Visual Alarms, Ascent Rate Functions, Altitude Adjustable to 12,100' (3,700 meters) | Algorithm: RGBM Mare-Wienke, Clock: Quartz, Time and Date
  • Maximum Depth Display: 492' (150 meters) | Memory Capacity: 38 Hours, Imperial or Metric Units of Measure, Set for Fresh or Saltwater Diving, Stopwatch, Power Indicator and Plan Mode Functions
  • Gas Switching: One or More Oxygen Enriched - Gases (up to 99%) | Switching Gases During the Dive, Benefit from Shorter Decompression Times
  • Mineral Glass Display: Tempered Glass, Superior Scratch Resistance, Improved Readability in All Diving Conditions & Viewing Angles
  • Dive Safe
  • People have been able to hear a DiveAlert one mile away from diver in need
  • Uses a small amount of air from your SCUBA tank to make a piercingly loud sound (On Surface, or In Water)
  • Fits All Standard Inflators
  • Uses chrome-plated brass couplings to attach to your power inflator

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Dive Alert Plus DV3 Scuba Signaling Device - Diver Noise Maker - Diver Noise Makers - Underwater Signaling Device - Underwater Signal Device

Search only Dive Alert brand name
Dive Alert Plus DV3 Scuba Signaling Device - Diver Noise Maker - Diver Noise Makers - Underwater Signaling Device - Underwater Signal Device

Current price: 89.95 USD


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Weight: 0.55 Pounds

  • A useful underwater safety device
  • Great for underwater communication
  • Shaking the device moves the ball bearing, creating a loud echo sound underwater
  • Magnet is located inside on either end of the shaker with a ball bearing in between
  • Uses a special magnetic system
  • White magnetic screen has superior contrast for best visability at depth
  • Write, erase, write again... erases with the push of thumb button
  • Built in cover protects the Quest, then rotates and snaps securely
  • Palm-sized Slate that is smaller than full Quest
  • Patented, underwater magnetic Slate enables you to communicate, then swipe the Slate clean, and start all over again
  • Micro USB charging, Rechargable, 30h dive time, changeable battery
  • Dual Channel
  • Underwater Wireless Communication unit.
  • FULL WARRANTY
  • HOUSE OF SCUBA is an AUTHORIZED DEALER
  • Dive Alert Signaling Device Power Whistle Safety System
  • Patented white magnetic screen has superior contrast for the best readability at depth
  • Tough, built-in rotating cover protects the Mini Quest, rotates 360° and snaps securely to back or front
  • 30% smaller than the full-sized Quest, palm-sized, and stows easily
  • Mini QUEST Quick Underwater Erasable Slate Technology for Scuba Diving and Snorkeling
  • Shake Things Up Your Next Time Down!
  • Computer Design Techniques and Extensive Testing
  • Improve Basic Underwater Communications
  • Scuba Sonics - AquaSonic Underwater Alarm
  • Scuba Sonics - AquaSonic Underwater Alarm, Lanyard
  • Back Light Function for Diving in Low Light Conditions, Air, Nitrox or Bottom Timer Device, Dive Mode: Current Depth, Maximum Depth, Stopwatch, Dive Time and Temperature, Ascending; Ascent Speed in Feet or Meters per Minute
  • Residual Nitrogen Reset, Audio and Visual Alarms, Ascent Rate Functions, Altitude Adjustable to 12,100' (3,700 meters) | Algorithm: RGBM Mare-Wienke, Clock: Quartz, Time and Date
  • Maximum Depth Display: 492' (150 meters) | Memory Capacity: 38 Hours, Imperial or Metric Units of Measure, Set for Fresh or Saltwater Diving, Stopwatch, Power Indicator and Plan Mode Functions
  • Gas Switching: One or More Oxygen Enriched - Gases (up to 99%) | Switching Gases During the Dive, Benefit from Shorter Decompression Times
  • Mineral Glass Display: Tempered Glass, Superior Scratch Resistance, Improved Readability in All Diving Conditions & Viewing Angles
  • Dive Safe
  • People have been able to hear a DiveAlert one mile away from diver in need
  • Uses a small amount of air from your SCUBA tank to make a piercingly loud sound (On Surface, or In Water)
  • Fits All Standard Inflators
  • Uses chrome-plated brass couplings to attach to your power inflator
  • EXTRA LOUD DIVE SIGNAL: People have been able to hear a DiveAlertPLUS one mile away from a diver in need above water. In conditions where visibility is limited, a DiveAlertPLUS can be incredibly useful.
  • LIGHTWEIGHT DURABILITY: This emergency signaling device is small and lightweight, yet can generate a piercingly loud sound in air or water.
  • ABOVE AND BELOW: Dive Alert Plus' scuba diving noise maker uses a small amount of air from your scuba cylinder to produce a loud sound that's audible both on the surface and underwater.
  • EASY INSTALLATION: Installation of this scuba noise maker is easy, and does not require any modification of your other equipment.
  • HI TECH DIVE SIGNALING DEVICE: Signal a buddy while submerged or get the attention of a boat on the surface. Dive Alert Plus is a specially designed, small scuba signaling device that becomes an integrated part of your BCD power inflator.

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