920 Series ATM-925
  • 2000 meter depth rated modem.
  • Can be fully utilized with the Universal Topside UTS-9400.
  • Low, mid, and band C frequency options.
  • Hard-coat anodized aluminum housing.
920 Series ATM-925
Detailed Information Below

920 Series ATM-925 Technical Specs

Overview Specifications Applications Related Products Downloads

2000 Meter Depth Rated Modem Hard-coat anodized aluminum housing, integrated transducer, and internal battery.

Specification Description
DEPTH

2000 meters (6,560 feet)

DIMENSIONS

3.5 inches (8.89 cm) diameter x 33.5 inches (85 cm) length

WEIGHT

In Air: ​24lbs (10.8 kg) In Water: 8 lbs (3.6 kg)

POWER

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

FREQUENCY OPTIONS

​Low frequency (LF): 9-14 kHz Mid frequency (MF): 16-21 kHz Band C frequency: 22-27 kHz

TRANSDUCER

​Omni directional (180 degree beam)

Low Frequency (LF) Directional (70 degree beam)

Medium Frequency (MF) Directional (60 degree beam)

CONNECTION

​MCBH16M connector, wired for dual serial port option. 16-pin dual port serial programming cable included

BAUD RATE

​140-15,360 bps

BIT ERROR RATE

​Better than 10-7 with high SNR

DATA STORAGE

​6144 kByte Datalogger standard

PROCESSING

​Data redundancy, 1/2 rate convolutional coding mulitpath guard period selection MFSK and PSK modulation schemes

DISTANCES / RANGES

​2-6 km common, greater distances possible 20+ km available using repeater functionality

DATA CONNECTION

​RS-232, RS-422 or RS-485 supported

AVAILABLE OPTIONS

​B - Dual serial port enabled D - Large capacity data logger installed

ACCESSORIES: BATTERIES
  • A-270-59: ATM-910 & ATM-920 Series Refurb Kit (no batteries) includes o-rings, lubricant, swab, screws, instructions. Required when opening any ATM-910 or ATM-920 series modem
  • D-270-102: ATM-910 & ATM-920 Series Alkaline Battery Pack (378 W*Hr)
ACCESSORIES: MODEM CABLES
  • B-270-415-2: ATM-900 2 Meter Pigtail
  • B-270-415-3: ATM-900 3 Meter Pigtail
  • B-270-415-5: ATM-900 5 Meter Pigtail
  • B-270-415-10: ATM-900 10 Meter Pigtail
  • B-270-415-25: ATM-900 25 Meter Pigtail
  • B-270-415-50: ATM-900 4G 50 Meter Pigtail
  • B-270-415-100: ATM-900 4G 100 Meter Pigtail
  • B-270-415-200: ATM-900 4G 200 Meter Pigtail
  • B-270-465: ATM-900 Teledyne RDI ADCP
  • 2000 meter depth rated modem

Teledyne Benthos / 49 Edgerton Drive North Falmouth, MA 02556 USA / ISO 9001 Certificate / Terms and Conditions
Phone: (508) 563-1000 / Fax: (508) 563-6444
Copyright 2017 Teledyne Technologies Incorporated. All rights reserved.