Evologics Underwater Acoustic Modems 

Find the EvoLogics Modem Solution to Fit Your Requirements

Click image for product details

Start/Stop Slideshow

M-Series Mini Modems

M-Series Underwater Acoustic Modems

The S2C M series of "mini-modems", a product line designed for size- and weight-sensitive applications, is ideal for integration with modern UUVs.

S2C M modems are fully compatible with S2C R Modem, USBL and LBL ranges. They can extend existing infrastructure and seamlessly integrate into EvoLogics navigation and positioning systems.


Any S2C M "mini" Modem can be supplied with a cable mounted transducer (up to 1.5 m cable length) to simplify system integration for UUVs or diver tracking systems.



  • Communication and positioning for AUVs and ROVs

  • Diver tracking systems

  • Size- and weight-sensitive applications

  • High-speed communication in adverse conditions

Device                               Application
S2C M HS                           Ultra-high-speed device for fast short-range transmissions in shallow waters
S2C M 48/78                      High-speed device for short-range applications in shallow waters
S2C M 42/65                      High-speed device for short/medium-range applications, wide-angle beam pattern for vertical, slant and horizontal channels    S2C M 18/34                      All-round performer for medium-range applications

Configuration Options

  • Housing: Delrin (high-grade plastic) or stainless steel

  • Interface: RS-232 or Ethernet

  • Wake Up Module to save battery power: "wake up" the device only when needed.

  • External power supply (24V or 12V)

  • OEM versions available for easy integration


Unique applications might require additional customization. 
EvoLogics experts are always ready to address any special requests.

 Call Toll-Free: 855-SUBSEA1  855-782-7321

    Copyright 2020 ​SUBSEA 20/20, Inc.  Seattle WA  USA   All Rights Reserved