Ocean Technology Mantis Buddy Phone 900408-001 027150

Mfg Part #: 900408-001
  • Specifically designed as an acoustic underwater telephone for the Mantis full face mask (mask not included)
  • Able to equalize like a standard scuba mask
  • Utilizes new super mic which is noise cancelling and fully floodable to any depth
  • Fully customizable to use your 2nd stage regulator
  • Uses ultrasonic upper single sideband for transmission
  • Provides moderate range and clear diver-to-diver voice communication
  • NOMINAL RANGE: 50 to 500 meters depending on Sea Conditions and noise levels
  • OPERATING DEPTH: 130 Feet of Sea Water
  • BATTERY TYPE: 9 volt
  • BATTERY LIFE: 8 to 10 hours

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Questions and Answers for Ocean Technology Mantis Buddy Phone:


    I want to buy also parts together. SPAR-2B Spare Parts Kit for Buddy Phones Item# 900182-007 Spare Part Kit, for Buddy Phones. 1 o-ring & 1 battery cap (Black). Price:$16.00 And. How much shipping to Japan.

    Darrick  (Certified Scuba Instructor at Scuba.com):

    Hello KAZUTOSHI, since this would be an international order you would need to add all of the items you would like to buy. Once those items are in your cart you are going to hit the checkout button using Amazon checkout. Once on the Amazon checkout page enter all of your billing and shipping information. “Be advised these costs do not reflect any additional Duty or Tax imposed by your country due to importation of the equipment.  Any extra fees over those displayed are the responsibility of the customer If you have any other questions please feel free to give us a call at 001.949.221.9300.

MTS-BUD Buddy Phone for Mantis FFM (Does NOT include the mask)

Nominal Range - 50 to 500

Transmission Type - Ultrasound using upper single sideband (USB)

Transmit Output Power - 0.5 watts PEP

Standard Frequency (PEP) - Recall & tone Freq. A (Channel 1): 32.768 kHz USB
Freq. B (Channel 4): 31.250 kHz

Audio Bandwidth 300 to 3,000 Hz

Automatic Gain Control Greater than 80 dB

Earphone Ceramic

Microphone ME-16R Hot-Mic (Dynamic) or Super Mic (Standard)(Ceramic)

Transducer Ceramic cylinder

Battery Type: Alkaline 9V or Ultralife® lithium 9V or 9V Li-polymer rechargeable. Batteries not included

Maximum Operating Depth 130 feet in sea water (fsw)

Weight in Air 8.1 oz


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US and Canada
949.221.9300 / Toll Free 1.800.347.2822
International 001.949.221.9300