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.

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    • (1 review)
      # mpn2114453791
      GPS Antenna for MDA-1 by SI-TEX®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at...
      External GPS antenna for MDA-1Optional for MDA-1 AIS transceiver
      $45.37
    • (0 reviews)
      # mpn4475412955
      GPS Antenna with 10' Cable for SVS Series by SI-TEX®. Whether you're a pro or boating for pleasure, make the most out of your boat and time on the water! Built with the highest quality standards and reliability in mind, every product is...
      Engineered to high standardsHigh-grade design delivers extended lifespan
      $45.37
    • (0 reviews)
      # mpn1278543
      Transom Mount Temperature Probe for SST-110 Digital Temperature Gauge by SI-TEX®. Precision System Offers Important Features Like 0.01 Degree Resolution, Easy Calibration, Temperature Alarms and Trend Indicators. This product is made of...
      Surface temperature indicator for recreational & commercial fishingPrecision System Offers Important Features Like 0.01 Degree Resolution, Easy Calibration, Temperature Alarms and Trend Indicators
      $51.49
    • (0 reviews)
      # 241822514
      SP-110 Autopilot System by SI-TEX®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality...
      Splashproof Control Unit with large, easy to read backlit displaySimple operation with push button controls
      $1,168.41 - $2,421.13
    • (0 reviews)
      # 241822540
      SST-110 Digital Water Temperature Gauge by SI-TEX®. Precision System Offers Important Features Like 0.01 Degree Resolution, Easy Calibration, Temperature Alarms and Trend Indicators. This product is made of high-quality materials to...
      Surface temperature indicator for recreational & commercial fishingPrecision System Offers Important Features Like 0.01 Degree Resolution, Easy Calibration, Temperature Alarms and Trend Indicators
      $249.00 - $324.66
    • (0 reviews)
      # mpn1278503
      CVS-128 8.4" Fishfinder by SI-TEX®. Ready for your next trophy catch with the latest fishing gear? Complete your arsenal with quality and dependable fishing gear that will work best for your next fishing trip. Gear up with us for the...
      Stores up to 10 screen images in built-in memory for recall laterHigh-speed pulse rate transmission of 5000 times per minute for enhanced shallow water detection
      $1,285.87
    • (0 reviews)
      # mpn4475413014
      12V 6-9 in³/sec Autopilot Pump by SI-TEX®. Whether you're a pro or boating for pleasure, make the most out of your boat and time on the water! Built with the highest quality standards and reliability in mind, every product is designed...
      Engineered to high standardsHigh-grade design delivers extended lifespan
      $321.66
    • (0 reviews)
      # mpn1278961
      494/50/200-ES 8-Pin Plastic In-hull Mount Transducer by SI-TEX®, Measures: Depth; Frequency: 50/200 kHz; Power: 500 W. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...
      Dual Frequency 50/200 kHzMax Power: 500W
      $102.17
    • (0 reviews)
      # mpn2114453786
      SAS-300 7" Class B AIS Transceiver by SI-TEX®. SI-TEX expands it leading line up of AIS instruments with the new SAS-300 Class B Transceiver. Packed with features and professional-grade performance.
      7" High Resolution color TFT display with 740X480 pixelsDisplays AIS targets on full color Worldwide Base chart or optionaly overlaid on fully detailed C-MAP MAX cartography
      $529.79
    • (0 reviews)
      # 241823138
      T-760 Series 4kW Radome Radar System with 7" Display by SI-TEX®. Transmit Power: 4kW. SI-TEX Marine Electronics has launched its new-for-2014 T-760 Series Radar, proving that you don't need a big boat or deep pockets to benefit from...
      7" color LCD displayIntuitive touch screen/rotary dial control
      $1,512.92 - $2,269.77
    • (0 reviews)
      # mpn1278949
      Autopilot Rotary Feedback with 50' Cable by SI-TEX®. The SI-TEX Inboard Rotary Feedback, provides the Autopilot with information about the physical position of the rudder. This is necessary to provide optimum steering performance and...
      Horizontal or vertical mounting positionsSnap together assembly
      $378.42
    • (0 reviews)
      # mpn735687336
      6-Pin Interface Cable by SI-TEX®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at...
      Engineered to high standardsHigh-grade design delivers extended lifespan
      $28.50
    • (0 reviews)
      # 901710891
      SVS-760 7.5" Fishfinder by SI-TEX®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality...
      7.5" color LCD display50/200 kHz
      $566.87 - $854.47
    • (0 reviews)
      # mpn4475412958
      SP-70 Autopilot with Rotary Feedback by SI-TEX®. The SI-TEX SP-70 Autopilot is the most reliable workhorse autopilot for cruising and fishing activity. Designed for most any boat and easily installed on Outboard, Inboard and Sterndrive...
      Ultra-compact, waterproof Control Unit has simple keypad operation and large LCD display of heading course, rudder angle, operating mode and error messagesControl Unit can be used as dash-mounted keypad or quickly and easily removed from mounting bracket for use as a handheld portable
      $1,437.24
    • (0 reviews)
      # 241822516
      SP-70 Autopilot System by SI-TEX®. The SI-TEX SP-70 Autopilot is the most reliable workhorse autopilot for cruising and fishing activity. Designed for most any boat and easily installed on Outboard, Inboard and Sterndrive vessels with...
      Ultra-compact, waterproof Control Unit has simple keypad operation and large LCD display of heading course, rudder angle, operating mode and error messagesControl Unit can be used as dash-mounted keypad or quickly and easily removed from mounting bracket for use as a handheld portable
      $1,815.66 - $1,967.03
    • (0 reviews)
      # 918036289
      T-900 Series Radome Radar System with 8.4" Display by SI-TEX®. Display Size: 8.4". SI-TEX's T-900 Series Radars feature new sophisticated Hyper-Digital Processing™ (HDP) Technology for real-time presentation and superior target...
      True-color radar feature displays echoes in different color depending on signal strengthReal-time presentation offers smooth movement as bearing changes
      $2,042.71 - $2,269.77
    • (0 reviews)
      # 241822517
      SP-80 Autopilot System by SI-TEX®. For boaters who know where they're going. SP-80 takes you where you want to be-effortlessly. Its smart, precise piloting gives you the extra hand on deck you've always needed. And the operation is a...
      Designed for Outboard, Inboard, and Sterndrive vessels with Hydraulic or Mechanical steering systemsAutomatically pilots to your next waypoint using built-in NMEA 0183 Loran/GPS interface
      $1,437.24 - $2,269.01
    • (0 reviews)
      # mpn2114453789
      Metadata Zero Loss Class B AIS Antenna Splitter by SI-TEX®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...
      Engineered to high standardsHigh-grade design delivers extended lifespan
      $211.16
    • (0 reviews)
      # mpn2114453785
      Metadata Class B AIS Transceiver by SI-TEX®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      Engineered to high standardsHigh-grade design delivers extended lifespan
      $529.69
    • (0 reviews)
      # mpn1278978
      Metadata AIS Receiver by SI-TEX®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at...
      Engineered to high standardsHigh-grade design delivers extended lifespan
      $249.00
    • (0 reviews)
      # mpn2114453790
      SDGPS Smart Sensor Antenna by SI-TEX®. The new GPk-11 receiver adds unprecedented positioning accuracy to your existing electronics by utilizing advanced WAAS technology and best of all, it can be mounted virtually next to most other...
      Delivers bettter than 2 meter accuracyLow Profile Housing, Pole or Flush mountable
      $196.02
    • (0 reviews)
      # 901703887
      Tilted Element™ Bronze Flush Thru-hull Mount Transducer by SI-TEX®. Flush/tilted transducers mount through a hole drilled in any fiberglass, metal or wooden hull, with the outside of the fitting flush against the exterior hull...
      The transducer’s ceramic elements are permanently tilted inside the housing to compensate for the hull deadrise. This ensures the beam is aimed straight down, resulting in maximum echo returns and eliminating the need for a fairingLow profile design extends only 6mm below the hull
      $194.61 - $680.40
    • (0 reviews)
      # 241823393
      Bronze Thru-hull Mount Transducer by SI-TEX®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...
      Engineered to high standardsHigh-grade design delivers extended lifespan
      $60.51 - $605.47
    • (0 reviews)
      # 241823525
      Bronze External Thru-hull Mount Transducer by SI-TEX®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by SI-TEX will...
      Engineered to high standardsHigh-grade design delivers extended lifespan
      $118.37 - $529.79
    • (0 reviews)
      # 241823586
      SVS GPS Chartplotter without Transducer by SI-TEX®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
      Engineered to high standardsHigh-grade design delivers extended lifespan
      $339.82 - $1,248.03
    • (0 reviews)
      # 497236507
      Explorer NavPro GPS Chartplotter by SI-TEX®. The EXPLORER NavPro turns almost any "off the shelf" PC monitor into a full-featured C-MAP electronic charting system. Couple this unique product to an existing onboard monitor or flat panel...
      Compact controller unit connects to most standard LCD monitors with HDMI inputStraightforward logic and soft key operating system offers uncanny ease of operation
      $529.03 - $702.54
    • (0 reviews)
      # 241822557
      SVS Fishfinder/Chartplotter by SI-TEX®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      Engineered to high standardsHigh-grade design delivers extended lifespan
      $756.09 - $1,399.40
    • (0 reviews)
      # mpn1279254
      Rate/Gyro Compass by SI-TEX®. Whether you're a pro or boating for pleasure, make the most out of your boat and time on the water! Built with the highest quality standards and reliability in mind, every product is designed to suit your...
      Engineered to high standardsHigh-grade design delivers extended lifespan
      $604.72
    • (0 reviews)
      # mpn1279291
      Vector G1 Compass by SI-TEX®. Whether you're a pro or boating for pleasure, make the most out of your boat and time on the water! Built with the highest quality standards and reliability in mind, every product is designed to suit your...
      Small compact all-in-one maintenance free unitFull compatible with MNMEA 2000 or 0183 equipment: Autopilots, Radar, AIS, Plotters, etc
      $1,777.82
    • (0 reviews)
      # 918040249
      Second Station Control Unit by SI-TEX®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by SI-TEX will last a lifetime....
      Engineered to high standardsHigh-grade design delivers extended lifespan
      $397.34 - $1,078.50




    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.

    Over the years, SI-TEX has continued to introduce new products that deliver what customers expect from SI-TEX : useful features that boaters really need, rugged construction, reliable performance and ease of operation. New 2015 products like the T-760 Radar, SVS-760C/F/CF Chartplotter/Sounder and compact SVS-460/560 chartplotter/sounder combos carry on this tradition.

    SI-TEX Reviews

    Average rating:  5  4.8 - 1 review
      /  Read All SI-TEX Reviews
    4.8 of 5
    Well Worth The Investment
    This antenna is the perfect complement for the SI-TEX mda-1 ais transceiver. Cuts the startup time by 66% on my system. The connector needed to cut the end off to route cable through various sections of the install and than attach a new end. Not a big deal as I had a few connector ends, but it would have been nice if the antenna included one connector for this reason. This product was well worth the investment.
    WPosted by William (Port Monmouth, NJ) / July 25, 2017
    Was this review helpful for you? Yes
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