Overview
Compare
Specs
Protection
Q&A

Questions & Answers

Reviews about this item

Review Summary

Select a plan in the Add Protection section above and purchase with this product by clicking “Add to Cart”.

image-protection

TRUSTED PROTECTION PLANS, EXCEPTIONAL SERVICE.

Dive into your next Adventure

Accidents happen. Purchase a protection plan to keep your favorite Scuba.com gear protected from covered accidental damage and failure.

Repair or Replacement

Repair or Replacement

If your equipment stops working, we'll repair it at no additional cost! And if we can't fix it, we'll replace it!

Accidental Damage

Accidental Damage

Protection for your equipment from unintentional breaks, drops, rips, and spills.

Failure Protection

Failure Protection

When your gear experiences a mechanical or electrical failure, you’re covered.

Zero Deductible

Zero Deductible

We’ll never charge you a deductible after the purchase of a plan. No fees. No deductibles. No hidden costs.

Customer-Focused Support

Customer-Focused Support

Our claims process is simple & easy with 24/7 online support.

Peace of Mind

Peace of Mind

Enjoy your gear without fear. We have you covered!

Protect+ powered by Extend is available for purchases to customer in the United States. Not available for purchases internationally or U.S territories.

OTS Portable Two Diver Air Intercom, 4-Wire Only Specifications

  • Input Voltage

    12 VDC

  • Input Current

    600 mA peak

  • Idle Current

    30 mA

  • Frequency Response

    600 Hz to 10 kHz

  • Microphone Type

    Dynamic

  • Power Output

    2 Watts RMS

  • Battery Type

    8-AA Alkaline Batteries or OTS NiMH Battery Pack -12 Volts (see SKU: OTSRB11)

  • Battery Life

    12 Hours (normal use) Using 8-AA Alkaline Batteries

  • Housing

    Injection-Molded, High-Impact Plastic

  • Dimensions

    (H x W x D) 6.75" x 4.25" x 2.75" (17.15cm x 10.8cm x 7cm)

  • Weight

    16oz (453.6g) w/o Batteries

  • ComCable/ComRope

    Up to 1,200' (365.75 meters)

About OTS 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 OTS ComRope (see SKU: OTSCCROTS) is a great package that ensures a dive operation runs smoothly.

The run time for the batteries is 12 hours of continuous use, uses frequency response 600 to 10,000 Hz. The MK-7 BuddyLine has a volume control to tender, diver 1 and diver 2. Unit has a low battery audio tone warning. The Mk-7 BuddyLine has an optional rechargeable battery pack OTS NiMH battery pack -12 volts (see SKU: OTSRB11). Battery pack requires optional OTS Battery charger for RB-11 battery pack (230V, 50/60 Hz), (see SKU: OTSRCS15. The com unit measures (H x W x D) 6.75" x 4.25" x 2.75" (17.15cm x 10.8cm x 7cm) has an injected molded, high impact resistant plastic housing. Portable Two Diver Air Intercom comes with a user guide.

OTS Portable Two Diver Air Intercom, 4-Wire Only Features

  • OTS Portable Two Diver Air Intercom, 4-Wire Only:
  • MK-7 BuddyLine: Compact, Self-Contained 1 or 2-Diver Air Intercom
  • Allows Clear Communications in 4-Wire Mode (round robin)
  • Includes THB-7A Deluxe Headset (with Boom Mic)
  • Specifically Designed for Search & Rescue Teams
  • Requires Little Set-Up Time
  • 2 Watts of Power: Managed by State-of-the-Art Circuitry
  • Relatively Long Life and Great Intelligibility
  • ComRope: OTS ComRope (see SKU: OTSCCROTS, not included)
  • OTS ComRope: Ensures Dive Operation Runs Smoothly
  • Power: Operates on 8 AA Alkaline Batteries
  • Run Time: 12-Hours Continuous Use
  • Alternate Power Source:
    Rechargeable Battery Pack
    OTS NiMH Battery Pack
    12 Volts (see SKU: OTSRB11)
    Requires; OTS Battery Charger for RB-11 Battery Pack (230V, 50/60 Hz)
    See SKU: OTSRCS15 (Not Included)
  • Frequency Response: 600 to 10,000 Hz
  • Volume Control to Tender, Diver 1 and Diver 2
  • Low Battery Audio Tone Warning
  • Dimensions: (H x W x D) 6.75" x 4.25" x 2.75" (17.15 cm x 10.8 cm x 7 cm)
  • Housing: Injected Molded, High impact Resistant Plastic
  • Weight: 16 oz. (453.6 g) w/o Batteries
  • User Guide

Warranty Information

This product has a limited warranty of 12 months.

Key Features

  • Enjoy crystal-clear underwater communication with this OTS portable diver intercom system.
  • Experience reliable performance with a user-friendly design for seamless team coordination.
  • This durable construction ensures clear communication underwater, even in demanding conditions.
  • Benefit from safety features that enhance situational awareness during critical diving missions.
  • Achieve clear underwater communication for up to 1,200 feet with a dependable ComCable.
  • Use this specialty gear for military & rescue operations, ensuring team safety and efficiency.

What's in the box:

  • OTS Portable Two Diver Air Intercom
  • 4-Wire Only with
  • Head Set
  • Boom Mic
  • and User Guide