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Marine Navigation & Instruments - NMEA Cables & Sensors

Connect and optimize your onboard electronics with premium NMEA cables and sensors designed for reliable communication between marine navigation systems. Essential for integrating GPS units, chartplotters, fish finders, autopilots, radar systems, and other marine electronics, quality NMEA components help ensure accurate data sharing and seamless system performance. Built for demanding freshwater and saltwater environments, our collection features durable cables, connectors, adapters, networking components, and sensors engineered to withstand moisture, vibration, corrosion, and harsh marine conditions. Browse NMEA 2000 cables, NMEA 0183 cables, backbone components, power cables, temperature sensors, speed sensors, and replacement accessories for a wide range of marine applications. Designed for easy installation and dependable operation, these products help maximize the functionality of your onboard technology while improving navigation and monitoring capabilities. Featuring trusted marine brands recognized for quality and innovation, our Marine Navigation Instruments – NMEA Cables & Sensors collection delivers reliable solutions for modern vessels. Shop today with confidence.

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  • Actisense A2K-TDC-6M NMEA2000 Micro Cable Assembly - 6M [A2K-TDC-6M]
    Actisense

    Actisense A2K-TDC-6M NMEA2000 Micro Cable Assembly - 6M [A2K-TDC-6M]

    $75.36
    $83.74
    $75.36
    A2K-TDC-6M NMEA2000 Micro Cable Assembly - 6MAvailable in various lengths, the cable assemblies can be used as either drop cable from a NMEA 2000 backbone or to extend the length of the backbone cable.Actisense Lite cable assemblies allow quick installation and come with quality...
    $75.36
    $83.74
    $75.36
  • Actisense PRO NMEA 0183 Multiplexer - 5 Inputs 2 ISO-Drive Outputs, Ethernet Serial Connections [PRO-NDC-1E]
    Actisense

    Actisense PRO NMEA 0183 Multiplexer - 5 Inputs 2 ISO-Drive Outputs, Ethernet Serial Connections [PRO-NDC-1E]

    $741.35
    $823.72
    $741.35
    PRO NMEA 0183 Multiplexer - 5 Inputs & 2 ISO-Drive Outputs, Ethernet & Serial ConnectionsThe PRO-NDC-1E is more than just an NMEA 0183 Multiplexer…Rugged, Robust, type-approved multiplexer with powerful, advanced features enables baud rate adjustments, auto-switching, and sentence-level filtering.Features: Auto-switching between inputs to allow...
    $741.35
    $823.72
    $741.35
  • Actisense NMEA2000 Micro Terminator - Female [A2K-TER-F]
    Actisense

    Actisense NMEA2000 Micro Terminator - Female [A2K-TER-F]

    $18.84
    $20.93
    $18.84
    NMEA2000 Micro Terminator - FemaleActisense terminators are exceptionally robust, designed to withstand the harsh conditions of the marine environment, and are easy to install.Each NMEA 2000 installation must have precisely two termination resistors installed, one at each end of the backbone, to ensure proper...
    $18.84
    $20.93
    $18.84
  • Actisense A2K-TDC-0M5 NMEA2000 Micro Cable Assembly - 0.5M [A2K-TDC-0M5]
    Actisense

    Actisense A2K-TDC-0M5 NMEA2000 Micro Cable Assembly - 0.5M [A2K-TDC-0M5]

    $37.68
    $41.87
    $37.68
    A2K-TDC-0M5 NMEA2000 Micro Cable Assembly - 0.5MAvailable in various lengths, the cable assemblies can be used as either a drop cable from a NMEA 2000 backbone or to extend the length of the backbone cable.Actisense Lite cable assemblies allow quick installation and come with...
    $37.68
    $41.87
    $37.68
  • Actisense PRO NMEA 0183 Multiplexer [PRO-MUX-2]
    Actisense

    Actisense PRO NMEA 0183 Multiplexer [PRO-MUX-2]

    $1,286.35
    $1,429.27
    $1,286.35
    PRO NMEA 0183 MultiplexerEight OPTO-isolated inputs and six ISO-Drive™isolated outputs. Offering device protection and excellent flexibility, all in one product.Introducing the Actisense® PRO-MUX-2, the intelligent, type-approved PRO range multiplexer.The PRO-MUX-2 is rugged, with a stainless steel housing, and provides isolation on all inputs and...
    $1,286.35
    $1,429.27
    $1,286.35
  • Actisense PRO NMEA 0183 Buffer - 2 OPTO Inputs, 12 ISO-Drive Outputs, Serial Port, Ethernet Port, Pluggable Screw Terminal [PRO-BUF-2]
    Actisense

    Actisense PRO NMEA 0183 Buffer - 2 OPTO Inputs, 12 ISO-Drive Outputs, Serial Port, Ethernet Port, Pluggable Screw Terminal [PRO-BUF-2]

    $1,228.81
    $1,365.34
    $1,228.81
    PRO NMEA 0183 Buffer - 2 OPTO Inputs, 12 ISO-Drive Outputs, Serial Port, Ethernet Port, Pluggable Screw TerminalTwo OPTO-isolated inputs and twelve ISO-Drive™ isolated outputs. Offering device protection and excellent flexibility, all in one product - the Actisense® PRO-BUF-2, the intelligent, type-approved PRO range...
    $1,228.81
    $1,365.34
    $1,228.81
  • Actisense A2K-TDC-3M NMEA2000 Micro Cable Assembly - 3M [A2K-TDC-3M]
    Actisense

    Actisense A2K-TDC-3M NMEA2000 Micro Cable Assembly - 3M [A2K-TDC-3M]

    $56.52
    $62.80
    $56.52
    A2K-TDC-3M NMEA2000 Micro Cable Assembly - 3MAvailable in various lengths, the cable assemblies can be used as either a drop cable from a NMEA 2000 backbone or to extend the length of the backbone cable.Actisense Lite cable assemblies allow quick installation and come with...
    $56.52
    $62.80
    $56.52
  • Actisense NMEA2000 Micro Terminator - Male [A2K-TER-M]
    Actisense

    Actisense NMEA2000 Micro Terminator - Male [A2K-TER-M]

    $18.84
    $20.93
    $18.84
    NMEA2000 Micro Terminator - MaleActisense terminators are exceptionally robust, designed to withstand the harsh conditions of the marine environment, and are easy to install.Each NMEA 2000 installation must have precisely two termination resistors installed, one at each end of the backbone, to ensure proper...
    $18.84
    $20.93
    $18.84
  • Actisense NMEA2000 Smart Universal Micro Terminator [A2K-TER-U]
    Actisense

    Actisense NMEA2000 Smart Universal Micro Terminator [A2K-TER-U]

    $56.52
    $62.80
    $56.52
    NMEA2000 Smart Universal Micro TerminatorTerminate your NMEA 2000 network – regardless of whether a male or female connection is required – and use the TER-U’s smart functionality to easily diagnose any power or voltage issues on your NMEA 2000 bus.The TER-U can be fitted...
    $56.52
    $62.80
    $56.52
  • Actisense NMEA2000 Micro 4-Way Drop [A2K-4WD-1]
    Actisense

    Actisense NMEA2000 Micro 4-Way Drop [A2K-4WD-1]

    $150.72
    $167.47
    $150.72
    NMEA2000 Micro 4-Way DropReduce your NMEA 2000 cabling requirements, saving time, space and money.The Actisense 4-way drop makes it easier to reach up to four devices with a single cable.Typically, when four devices need to be connected to an NMEA 2000 backbone, a T-piece...
    $150.72
    $167.47
    $150.72
  • Bluewater NMEA 2000 Right Angle Adapter [2704-12-011]
    Bluewater

    Bluewater NMEA 2000 Right Angle Adapter [2704-12-011]

    $28.46
    $0.00
    $28.46
    NMEA 2000 Right Angle AdapterThe NMEA 2000 right-angle adapter is a compact solution for tight installations where standard straight connectors won’t fit. With a 90-degree design, it reduces cable strain and allows for a clean, low-profile connection to your NMEA 2000 network backbone or...
    $28.46
    $0.00
    $28.46
  • Bluewater NMEA 2000 Power Isolator [2706-00-000]
    Bluewater

    Bluewater NMEA 2000 Power Isolator [2706-00-000]

    $25.11
    $0.00
    $25.11
    NMEA 2000 Power IsolatorThe NMEA 2000 power isolator is designed to safely separate power between two segments of an NMEA 2000 network while still allowing data to pass through uninterrupted. This is essential when integrating networks with multiple power sources or when isolating a...
    $25.11
    $0.00
    $25.11
  • Bluewater NMEA 2000 Drop Cable - 5 Meter [2700-05-011]
    Bluewater

    Bluewater NMEA 2000 Drop Cable - 5 Meter [2700-05-011]

    $55.96
    $0.00
    $55.96
    NMEA 2000 Drop Cable - 5 MeterThis NMEA 2000 5-pin drop cable is built for seamless integration between your network backbone and connected marine electronics. Designed with durable, waterproof connectors, it ensures a secure and interference-free connection to displays, GPS units, sensors, and more....
    $55.96
    $0.00
    $55.96
  • Bluewater NMEA 2000 Non-Fused Power Cable - 2 Meter [2703-11-002]
    Bluewater

    Bluewater NMEA 2000 Non-Fused Power Cable - 2 Meter [2703-11-002]

    $57.57
    $0.00
    $57.57
    NMEA 2000 Non-Fused Power Cable - 2 MeterThis NMEA 2000 power cable (no fuse) is designed to deliver clean, reliable power to your NMEA 2000 network. Featuring a 5-pin molded connector on one end and stripped wire leads on the other, it allows for...
    $57.57
    $0.00
    $57.57
  • Bluewater NMEA 2000 2-Way T-Connector [2702-13-013]
    Bluewater

    Bluewater NMEA 2000 2-Way T-Connector [2702-13-013]

    $57.57
    $0.00
    $57.57
    NMEA 2000 2-Way T-ConnectorOur NMEA 2000 T-Connector makes it easy to expand your marine electronics network by providing secure connection points between backbone cables and connected devices. Built to NMEA 2000 standards, each NMEA T-connector features rugged, waterproof 5-pin connectors for reliable data transmission...
    $57.57
    $0.00
    $57.57
  • Bluewater NMEA 2000 Drop Cable - 4 Meter [2700-04-011]
    Bluewater

    Bluewater NMEA 2000 Drop Cable - 4 Meter [2700-04-011]

    $44.77
    $0.00
    $44.77
    NMEA 2000 Drop Cable - 4 MeterThis NMEA 2000 5-pin drop cable is built for seamless integration between your network backbone and connected marine electronics. Designed with durable, waterproof connectors, it ensures a secure and interference-free connection to displays, GPS units, sensors, and more....
    $44.77
    $0.00
    $44.77
  • Bluewater NMEA 2000 5 Pin Female Strip Cable - 0.5 Meter [2700-.05-010]
    Bluewater

    Bluewater NMEA 2000 5 Pin Female Strip Cable - 0.5 Meter [2700-.05-010]

    $19.19
    $0.00
    $19.19
    NMEA 2000 5 Pin Female Strip Cable - 0.5 MeterOur NMEA 2000 strip cables provide a reliable way to connect bare wire leads directly into an NMEA 2000 network. Available in both male and female configurations, each cable features a 5-pin molded connector on...
    $19.19
    $0.00
    $19.19
  • Bluewater NMEA 2000 Drop Cable - 10 Meter [2700-10-011]
    Bluewater

    Bluewater NMEA 2000 Drop Cable - 10 Meter [2700-10-011]

    $86.34
    $0.00
    $86.34
    NMEA 2000 Drop Cable - 10 MeterThis NMEA 2000 5-pin drop cable is built for seamless integration between your network backbone and connected marine electronics. Designed with durable, waterproof connectors, it ensures a secure and interference-free connection to displays, GPS units, sensors, and more....
    $86.34
    $0.00
    $86.34
  • Maretron TMP100 Temperature Module [TMP100-01]
    Maretron

    Maretron TMP100 Temperature Module [TMP100-01]

    $443.78
    $481.48
    $443.78
    Maretron's TMP100 measures the temperature for up to 6 temperature probes and reports the information over an NMEA 2000 network. The TMP100 supports up to 4 thermistor probes and 2 high temperature thermocouple probes. Optional thermistor probes (-20 deg. C to 80 deg. C...
    $443.78
    $481.48
    $443.78
  • Maretron Mini Field-Attachable Connectors - Male [FA-NM-ST]
    Maretron

    Maretron Mini Field-Attachable Connectors - Male [FA-NM-ST]

    $47.44
    $48.85
    $47.44
    Mini Field-Attachable ConnectorsField-attachable connections allow you to make field connections to bulk cable. The color-coded screw terminals match the individual wire colors found within the bulk cables for error-free field installationColor-coded screw terminators make for error-free field installation Rugged housing material designed to withstand...
    $47.44
    $48.85
    $47.44