Micro-modem DSP v1.3c Drawing:

details mechanical dimensions, connector locations, pinouts, and part numbers.

Micro-Modem Software Interface Guide:

describes modem operation and configuration. Specifies all NMEA commands and messages, and documents all features added since firmware version AUV 0.79.0.1

Micro-modem Power Amplifier LFF Drawing:

details mechanical dimensions, connector locations and pinouts.

Micro-modem Power Amplifier RFF Drawing:

details mechanical dimensions, connector locations and pinouts.

Micro-modem Power Amplifier MF Drawing:

details mechanical dimensions, connector locations and pinouts.

Micro-modem c6713 CoProcessor Drawing:

details mechanical dimensions, connector locations and pinouts.

Micro-modem Multi-Channel Analog Interface with Differential Preamplifier Drawing:

details mechanical dimensions, connector locations and pinouts.

Typical Micro-modem Wiring Integration Schematic:

details electrical connections and mating connectors for both LFF and RFF based systems.

Typical Micro-modem Wiring Integration Schematic:

details electrical connections and connectors for both LFF and RFF based systems.

Newer design with reduced number of daughter boards

Micro-modem Multi-Channel PSK Stack with RFF Power Amplifier Drawing:

details mechanical dimensions, and included hardware.

Micro-modem Multi-Channel PSK Stack with RFF Power Amplifier Drawing:

details mechanical dimensions, and included hardware.

Newer design with reduced number of daughter boards

Micro-modem Multi-Channel PSK Stack with RFF Power Amplifier Solid Model:

detailed solid model file in .iges format.

Micro-modem Multi-Channel PSK Stack with RFF Power Amplifier Solid Model:

detailed solid model file in .iges format.

Newer design with reduced number of daughter boards.

Micro-modem Multi-Channel PSK Stack with LFF Power Amplifier Drawing:

details mechanical dimensions, and included hardware.

Micro-modem Multi-Channel PSK Stack with LFF Power Amplifier Drawing:

details mechanical dimensions, and included hardware.

Newer design with reduced number of daughter boards

Micro-modem Multi-Channel PSK Stack with LFF Power Amplifier Solid Model:

detailed solid model file in .iges format.

Micro-modem Multi-Channel PSK Stack with LFF Power Amplifier Solid Model:

detailed solid model file in .iges format.

Newer design with reduced number of daughter boards.

Micro-modem Multi-Channel PSK Stack with MF Power Amplifier Control Drawing:

details mechanical dimensions, and included hardware.

Micro-modem Power Amplifier MF Solid Model:

detailed solid model file in .iges format.

Micro-modem FSK Stack with RFF Power Amplifier Drawing:

details mechanical dimensions, and included hardware.

Micro-modem FSK Stack with LFF Power Amplifier Drawing:

details mechanical dimensions, and included hardware.

Micro-modem FSK Stack with MF Power Amplifier Drawing:

details mechanical dimensions, and included hardware.

Micro-modem Single Channel PSK Stack with RFF Power Amplifier Drawing:

details mechanical dimensions, and included hardware.

Micro-modem Single Channel PSK Stack with LFF Power Amplifier Drawing:

details mechanical dimensions, and included hardware.

Micro-modem Single Channel PSK Stack with MF Power Amplifier Drawing:

details mechanical dimensions, and included hardware.

Micro-modem Multi-Channel PSK Stack Drawing:

details mechanical dimensions, and included hardware.

Micro-modem Single Channel PSK Stack Drawing:

details mechanical dimensions, and included hardware.

WH-BT-1 Single Ring 28 kHz Transducer Specification Sheet:

Standard omni-directional transducer used for our 25 kHz modem systems where a low profile is critical..

WH-BT-2 Double Ring 28 kHz Transducer Specification Sheet:

Standard omni-directional transducer used for our 25 kHz modem systems.

Produces ~6dB more acoustic source level (or equivalently a doubling in range) over the 211001 single ring tranducer .

BTech BT25-UF Duoble Ring 25kHz Transducer with Feedtrough Specification Sheet:

Omni-direction transducer used with our 25 kHz modem systems that require no cables or connectors.

We have backing blocks available that allow for the addition of a connector to this transducer.

Benthos AT18-A1 15 kHz Transducer with Backing Blocks (LPMBH) Drawing:

details mechanical dimensions, and included hardware.

This is a directional transducer for our 15 kHz modem systems. We typcially use this transducer in vertical channels. We have backside baffles designs for this transducer that increase the front to back ratio receive response to improve performance in noisy environments.

Benthos AT18-AT 15 kHz Transducer with Backing Blocks (LPMBH) Drawing:

details mechanical dimensions, and included hardware.

This is an omni-directional transducer for our 15 kHz modem systems.

ITC-3013 12.5 kHz Transducer with Backing Block (LPMBH) Drawing:

details mechanical dimensions, and included hardware.

This is a hemisperical transducer for our 10 kHz modem systems.

4 Element HTI-96-MIN (CM) Spatial Diversity Array Drawing:

details mechanical dimensions, and included hardware.

This 4 element spatial diversity array is used to increase the performance of our PSK data rates.

4 Element HTI-96-MIN (CM) Spatial Diversity Array Inline Drawing:

details mechanical dimensions, and included hardware.

This 4 element spatial diversity array is used to increase the performance of our PSK data rates. Inline design is more robust.

Transducer Towfish for 211001 WH-BT-1 and 211002 WH-BT-2 Transducers Drawing:

details mechanical dimensions, and included hardware.

This is our standard 25kHz transducer towfish. Pelican shipping case is included.

Transducer Towfish for Benthos AT18-AT Transducer Drawing:

details mechanical dimensions, and included hardware.

This is our standard 15kHz transducer towfish. Pelican shipping case is included.

Transducer Towfish for ITC-3013 Transducer Drawing:

details mechanical dimensions, and included hardware.

This is our standard 10kHz transducer towfish. Pelican shipping case is included.

Micromodem DSP Software Developement Box Tutorial:

This tutorial covers the basic connection and use of the software developement test box.

Micro-modem DSP Software Development Box Drawing:

details mechanical dimensions, and included hardware.

This is bench development modem enclosure for software integration.

Micro-modem Multi-Channel Rack Mountable Deck Box Tutorial:

This tutorial covers the basic connection and use of the rack mountable deck box.

Micro-modem Multi-Channel Rack Mountable Deck Box Drawing:

details mechanical dimensions, and included hardware.

This is our battery powered, dry deck box modem enclosure. Pelican shipping case is included.

Micro-modem Multi-Channel RHIB Submersible Deck Bottle Drawing:

details mechanical dimensions, and included hardware.

This is our battery powered, submersible deck bottle modem enclosure.

Micro-modem RFF Full Stack (1000m SeaCon MIN) Housing Drawing:

details mechanical dimensions, and connector pinouts..

This is our standard pressure housing for our Multi-Channel PSK RFF modem systems using SeaCon MIN series connectors.

2000m rated versions are available. Deeper versions can be designed upon request to meet your application requirements.

Micro-modem RFF Full Stack (1000m Impulse LPMBH) Housing Drawing:

details mechanical dimensions, and connector pinouts..

This is our standard pressure housing for our Multi-Channel PSK RFF modem systems using Impulse LPMBH series connectors.

2000m rated versions are available. Deeper versions can be designed upon request to meet your application requirements.

Micro-modem LFF Single Channel PSK stack (2000m Impulse LPMBH) Housing Drawing:

details mechanical dimensions, and connector pinouts..

This is our standard pressure housing for our Single-Channel PSK LFF modem systems using Impulse LPMBH series connectors.

Micro-modem Dual Band Node Housing (Externally Powered) Drawing:

details mechanical dimensions, and connector pinouts..

This is our standard pressure housing for our dual band modem systems. Housing can support (1) RFF and (1) MF modem set. RS485 distribution board interfaces with the outside world. Requires power from an outside source.

Housing is rated for 1000m

Micro-modem Dual Band Node Housing (5x Batteries) Drawing:

details mechanical dimensions, and connector pinouts..

This is our standard pressure housing for our self powered dual band modem systems. Housing can support (1) RFF and (1) MF modem set. RS485 distribution board interfaces with the outside world. Power comes from (5) Li-Ion rechargeable batteries for a total capacity of ~1 kWhr.

Housing is rated for 600m.

Micro-modem Dual Band Node Housing (Externally Powered) Drawing:

details mechanical dimensions, and connector pinouts..

This is our standard pressure housing for our dual band modem systems that require full ocean depth operation. Housing can support (1) RFF and (1) MF modem set. RS485 distribution board interfaces with the outside world. Requires power from an outside source.

Housing is rated for 6000m

Micro-modem VSW Modem Buoy Drawing:

This is our standard very shallow water modem buoy designed for drifter applications, and moored applications in water depths less than 100ft.

Buoy includes Freewave RF radios system, Garmin GPS, solar light, rigging, up to (3) Li-Ion rechargeable batteries, and shipping case.

Buoy can support (1) RFF modem system and (1) MF modem system.

Shielded Box for 201002 MM and 203004 CP Drawing:

Shielded modem enclosure for applications only requiring the RX capabilities of the modem or applications where an external power amplifier is already in place.

Shielded Box for Multi-Channel PSK RFF Modem Stack Drawing:

Shielded modem enclosure for applications where the modem may be isntalled in potentially noise environments.

Gumstix Computer Interface Board:

A daughter board for Gumstix Basix motherboards that features on-board power supplies, (3) serial ports, and (1) USB slave port.

Gumstix BASIX is now OBSOLETE.

We are in the process of converting to the Gumstix OVERO motherboard. We should have a replacement solution this fall.

Gumstix Computer Interface Board Solid Model:

A daughter board for Gumstix Basix motherboards that features on-board power supplies, (3) serial ports, and (1) USB slave port.

Gumstix CONNEX is now OBSOLETE.

We are in the process of converting to the Gumstix OVERO motherboard. We should have a replacement solution this fall.

Gumstix Computer Interface Board:

A daughter board for Gumstix Connex motherboards that features on-board wide input range power supplies, multiple serial ports, AC97 Audio with touchscreen interface, LCD interface, ethernet, battery backed real time clock, multiple GPIO, and SD/MMC slot.