920 Series ATM-925

Description

​ATM-920 Series Acoustic Modem for wireless communications in up to 2000m water. Hard-coat anodized aluminum housing, integrated transducer, and internal battery.

Specifications

General

• Field of Use

  Acoustic underwater communication and data telemetry in all markets

Power supply and communication

• Connector type

  MCBH16M connector, 16-pin port cable included
• Power Supply

  ​378 W*Hr internal batteries (can also be powered by external source)
• Output interface

  RS-232, -422 or -485, B-Dual serial port enabled

Physical Properties

• Weight in air [kg]

  10.8
• Weight in water [kg]

  3.6
• Width [m]

  0.0889
• Length [m]

  0.85

Acoustic properties

• Min. Operating frequency [kHz]

  9
• Max. Operating frequency [kHz]

  27
• Transducer beam shape

  ​Omni directional or directional
• Beam width

  180
• Acoustics date rate

  140-15,360 bps
• Error rate

  Better than 10-7 with high SNR

Operating properties

• Maximum range (sea/fresh water)

  2-6 km common, greater distances possible (20+ km)
• Depth rating {m}

  2000

Other specifications

• Cables

  16-pin dual port serial programming cable included
• Data storage

  6144 kByte Datalogger standard
• Additional capabilities

  With over twenty five years of A-Comms experience, and thousands of acoustic modems delivered worldwide, Teledyne Benthos is your established, proven leader in acoustic communications technology

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