The importance of an MMSI number

An MMSI number is a unique identifier assigned to a boat. Only one number is assigned for all applicable electronics on the vessel, such as an AIS transponder, DSC Radio, and EPIRB.

MMSI registration includes contact information to be used in case of an emergency.
All vessels operating on the high seas require a Maritime Mobile Service Identity (MMSI) number to participate in the Global Maritime Distress & Safety System (GMDSS). In addition to GMDSS participation the MMSI number also serves as a unique identifier of the vessel for all communications.

Free MMSI from Boat US or Sea Tow
An international MMSI from the FCC
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Live Marine Traffic Station at Dockside

A powerful new multifunction navigation system from Raymarine. With built-in RealVision 3D™ sonar, the all new LightHouse 3 operating system, and blazing fast quad core performance, Axiom will transform your time on the water. Available in 7”, 9” or 12.1” display options.

Dockside Electronics is one of Connecticut's most experienced marine electronics organizations. For over 40 years we have represented the top names in marine electronics, with the best reputation in the region. Whether on the water or dockside, you need your systems to work for you... reliably and accurately.

Latest News

- picture courtesy of John Kueter

Welcome to Fall.  As we approach the hauling season, we wanted to note a few important items.  First, when power washing or having your boats bottom power washed, it is extremely important to remember NOT to power wash any transducers.  Power washing a transducer can damage or destroy them leaving you with the costly expense of replacement.  Secondly, due to many customers upgrading to high powered Chirp technology, it is important to disconnect your Chirp sounder prior to the boat being hauled.  Only a few minutes of run time out of the water will render your transducer failed and in need of replacement.  


Dockside has many exciting new winter upgrade offers, please reach out to our office or stop by our fully stocked showroom to plan your winter upgrade!

Check out the new Garmin Phantom Radar Domes.  Exciting new Doppler Radar

Garmin Fantom Details, Click Here

Welcome to Dockside Electronics

Dockside Electronics Fall Haul Out Reminders