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After exploring an insanely large number of articles and reviews by our intelligent AI & Machine Learning platforms; and exhaustive refining, inspection and rectification by our skillful hi-technology gurus, the golden shortlist for the Best Diving Communication Devices (2021) is ultimately compiled.

The ultimate guide on Best Diving Communication Devices produced using Deep Learning and Artificial Intelligence technology

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In order to find the Best Diving Communication Devices (2021), our powerful platforms and experts have taken many parameters into account such as product usability, user-friendly features and give buyer satisfaction, deficiency-free, standards conformance, quality/price ratio, dependability, robustness, quality conformance to needs and good practises, safety, real buyer satisfaction and lots of others. It is important to note that each user has different needs so please consider the below shortlist as a guideline and not as a gospel. In any case, in the benchmarking below you can absolutely find the overall best ones despite your needs.

Our intelligent platforms and dedicated hi-tech experts work hard to provide you with the best product options. We firmly believe that that our review benchmarking can help you simplify your purchase decision and select among the very Best Diving Communication Devices (2021).

Best Diving Communication Devices

Best Choice No. 1
Mares Magnetic Shaker Scuba Diving Communication Device
Mares Magnetic Shaker Scuba Diving Communication Device
  • Uses a special magnetic system
  • Magnet is located inside on either end of the shaker with a ball bearing in between
  • Shaking the device moves the ball bearing, creating a loud echo sound underwater
  • Great for underwater communication
  • A useful underwater safety device
$29.95
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Best Choice No. 2
OCEAN REEF - GSM Mercury Underwater Wireless Communication Unit
OCEAN REEF – GSM Mercury Underwater Wireless Communication Unit
  • Underwater Wireless Communication unit.
  • Dual Channel
  • Micro USB charging, Rechargable, 30h dive time, changeable battery
$879.95
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Best Choice No. 3
IST WR4 Retractable Lanyard Underwater Slate with Glow in The Dark Compass
IST WR4 Retractable Lanyard Underwater Slate with Glow in The Dark Compass
  • White waterproof slate with mounted glow in the dark compass
  • Attaches to belt or BC D-ring with carabiner-style hook
  • Retractable lanyard offers quick access, automatically stows the slate when not in use
  • Included pencil attached with stretchy, Neon Yellow plastic coil
  • Dimensions: 2.8″ x 8″ (7cm x 20cm)
$67.99
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Best Choice No. 4
Promate 6'x5' Glow in The Dark, Scuba Dive Writing Slate
Promate 6″x5″ Glow in The Dark, Scuba Dive Writing Slate
  • Color: Glow-in-dark
  • Pencil with safety leash
  • Clip to secure it
  • DIMENSIONS: 6″ x 5″
  • Shipping & Handling Charge or tax may occur, please check other shipping options and applicable costs in the Shopping Cart during checkout.
$10.95
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Best Choice No. 5
ZOLEO Satellite Communicator – Two-Way Global SMS Text Messenger & Email, Emergency SOS Alerting, Check-in & GPS Location – Android iOS Smartphone Accessory
ZOLEO Satellite Communicator – Two-Way Global SMS Text Messenger & Email, Emergency SOS Alerting, Check-in & GPS Location – Android iOS Smartphone Accessory
  • 🌎ZOLEO GLOBAL TWO-WAY SATELLITE COMMUNICATOR: Rugged, GPS location-aware and Iridium satellite based, the ZOLEO device links with the free ZOLEO app on your smartphone or tablet to keep you connected when outside cell coverage. Monthly subscription required: $20, $35 or $50 (25, 250 or unlimited satellite messages) with cellular, Wi-Fi and SOS messaging included. After the initial 3-month commitment, suspend for just $4/mo. Plans currently available in USA, Canada, Australia, but work globally.
  • ✉️GLOBAL MESSAGING AS IT WAS MEANT TO BE: Only ZOLEO extends your messaging coverage to everywhere on earth transmitting over the lowest cost network available (satellite, cellular or Wi-Fi). ZOLEO offers a familiar text messaging experience to and from any SMS text number, email address or another ZOLEO app user. By taking advantage of cellular or Wi-Fi when available and the Iridium network (a truly global satellite network) when it isn’t, only ZOLEO offers seamless coverage wherever you go!
  • 📲DEDICATED SMS PHONE NUMBER & EMAIL ADDRESS: Your ZOLEO device includes a dedicated US SMS text number and email address that you can share with contacts that you want to remain accessible to, and that they’ll recognize when you message them. Contacts can send messages directly to your SMS number, email address or via the free ZOLEO app. It’s that simple!
  • 🆘EMERGENCY SOS & MORE: If something goes wrong, declaring an SOS ensures your SOS alert and GPS coordinates are sent to GEOS, our 24/7 emergency monitoring and dispatch partner. Other safety features include check-in to let others know you’re OK (using built-in device button or the ZOLEO app) and the ability to add your GPS coordinates to any message. Location Share+ (add-on at $6/mo) allows for automatic location sharing at a selected interval including a breadcrumb trail viewable in a map.
  • 💪RUGGED AND BUILT TO WORK FOR DAYS: Long-lasting battery life – 200+ hours or 8+ days checking messages every 12 minutes (Lithium-ion battery). Lightweight (5.3 oz) and compact (3.58 x 2.6 x 1.06 in), the ZOLEO device is rugged with MIL-STD 810G shock-resistance, and superior dust- and water- resistance (IP68). Power input – Micro-USB Type B with a charging time of 2 hours. Operating temperature – -4°F to 131°F.
$199.95
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Best Choice No. 6
Ideations Dive Alert Plus Version 2 Signaling Device - DV2 for The Oceanic Air XS, Aeris Air Link, Mares Air Control, SeaQuest AirSource 1 & 2, Apeks Octo Plus, Zeagle Octo Plus and Beauchat Venturi
Ideations Dive Alert Plus Version 2 Signaling Device – DV2 for The Oceanic Air XS, Aeris Air Link, Mares Air Control, SeaQuest AirSource 1 & 2, Apeks Octo Plus, Zeagle Octo Plus and Beauchat Venturi
  • Fits the following Inflators….
  • Oceanic Air XS
  • SeaQuest AirSource
  • Apeks Octo Plus
  • Zeagle Octo Plus
$89.89
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Best Choice No. 7
XS Scuba Rattle Stick with Clip
XS Scuba Rattle Stick with Clip
  • XS Scuba Rattle Stick with Clip
  • XS Scuba Rattle Stick with Clip:
  • Fantastic Underwater Tool
  • Corrosive-Resistant Metal Construction with Clip
  • Signal Devise: Shake to Get Buddies Attention
$29.74
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Best Choice No. 8
Ocean Reef GSM G Divers Communication System Yellow (OR033109) by Ocean Reef
Ocean Reef GSM G Divers Communication System Yellow (OR033109) by Ocean Reef
  • 30 hours in receiving mode and range of operation of 200-250 meters (calm sea water)
  • Powerful, single channel and inexpensive PTT (push to talk) underwater wireless communication unit
  • Automatically activates upon contact with the water
  • Uses a 9V alkaline battery with a “low battery” alarm which beeps every 30 seconds when the battery is low.
  • Perfect addition to any training class or guided tour and operates on the same frequency as all other OCEAN REEF units and most popular wireless communication units on the market
$537.95
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Best Choice No. 9
Dive Cricket Underwater Communication/signaling Device (1 Pack)
Dive Cricket Underwater Communication/signaling Device (1 Pack)
  • Underwater communication/signaling device
$9.95
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Best Choice No. 10
Trident Aquacraft Noise Signal Underwater Device
Trident Aquacraft Noise Signal Underwater Device
  • Aquacraft Scuba Diving Underwater Signal Device/Noise Maker
  • Lightweight aluminum construction
  • 7″ overall length – Get your buddies attention underwater with ease!
  • shake side to side for loud, effective signaling
  • Attached safety lanyard included
$22.94
Buy on Amazon

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