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Ocean Technology Mk7 Hardwire Surface Station 900104-000 031998

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Mfg Part #: 900104-000
 $1,299.00 
  • Free Padded Protective Carry Case
  • Compact, portable, self contained surface station
  • Quick and easy set-up for one or two divers
  • Uses one MK7 hardwire ComRope per diver, not included (see below to order)
  • Clear communication between divers and surface tender
  • Adjustable volume controls for individual divers and surface station
  • Includes deluxe headset with boom microphone (THB-7A)
  • External connection for recording communications
  • Small enough to be handheld or clipped to a belt
  • Uses 8 AA batteries - not included (see below to order)

Customer Reviews for Ocean Technology Mk7 Hardwire Surface Station:

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Questions and Answers for Ocean Technology Mk7 Hardwire Surface Station:


  • Everett:

    We ordered the MK7 and have three ropes as well as ear pieces and Mics for all our Aga masks on our dive team. After one season of use we have issues with every set having one side of the ear pieces work and the other not work. Can anyone give us an idea of what we can do to fix this?

    Darrick  (Certified Scuba Instructor at Scuba.com):

    Hello Everett, here is the contact number to the manufacture directly: 714.754.7848. I would call and talk with there tech support directly they would be able to better help you with this.

MK7 Buddy-Line® - Portable two diver air intercom (4 wire only)

The MK-7 BuddyLine is a compact, self-contained one or two-diver air intercom. It will allow clear communications in the 4-wire mode (round robin) and includes the THB-7A Deluxe Headset (with boom mic).

The MK-7 BuddyLine was specifically designed for Search & Rescue Teams to have an underwater communication device that needs little set-up time.

The 2 watts of power is managed by state-of-the-art circuitry allowing relatively long life and great intelligibility. MK-7 BuddyLine operates on 8 AA alkaline batteries. The MK-7 BuddyLine and our ComRope is a great package that ensures a dive operation runs smoothly.

Specification Comparison of Hardwire Surface Units

Battery Life 12 hours continuous use

Frequency Reponse 600 to 10,000 Hz

Output Power (watts) 2

Charging Time 14 hours with optional rechargeable batteries

Controls Volume: Tender, Diver 1, Diver 2

Speakers Headset with boom microphone

Low Battery Indicator Audio Tone

Battery Type 

(8) AA alkaline batteries or optional RB-11 NiMH battery pack

Dimensions (W x H x D) 4.35' x 6.725' x 3.0'
1.5 lbs (w/ batteries)

View all Ocean Technology Communication

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