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Si-Tex Marine Electronics

For nearly 40 years, mariners around the world have trusted SI-TEX to deliver proven technology and rugged, reliable marine electronics that perform in real-world conditions. Whether it’s for a hard-working commercial boat, sportfishing yacht, inshore skiff, power cruiser or sailing vessel, SI-TEX offers a variety of proven products for the job.

SI-TEX offers a full line of electronics to meet the demands of today’s boater — including professional-grade radar systems, high-performance echosounders, MFD chartplotter/sounder/radars, precision GPS navigation systems, heading sensors, autopilots, VHF communications and more. Every SI-TEX product is backed by the company’s 2-Year Warranty and Long Island, New York-based Service Department for peace of mind and superior customer service.


SI-TEX’s digital sounding technology eliminates unwanted noise and provides a sharp image of the seabed and fish targets. The high-speed CPU delivers seamless zooming and provides superior readings even at higher boat speeds. The powerful processor also ensures that even the smallest fish targets are presented on the display.

Si-Tex Transducers

Browse our catalog for a wide range of transducers compatible with Si-tex fishfinders and sounders.

Mix & Match Cables

Use any of Gemeco's wide range of Airmar Mix & Match transducers with Si-Tex equipment with the right adapter cable.


Turn any chartplotter into a powerful, dual-frequency color sounder with this advanced module, with its 500W/1kW output/dual frequency operation.