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Marine Navigation & Instruments - Network Cables & Modules

Connect and expand your onboard electronics system with premium marine network cables and modules designed for reliable communication between navigation devices. Essential for integrating chartplotters, GPS systems, fish finders, radar, autopilots, sensors, and other marine electronics, quality networking components help ensure smooth data transfer and seamless system performance. Built for demanding freshwater and saltwater environments, our collection features durable cables, connectors, adapters, network modules, expansion components, and replacement accessories engineered to withstand moisture, vibration, corrosion, and harsh marine conditions. Browse marine Ethernet cables, NMEA network components, hubs, switches, interface modules, backbone accessories, and installation hardware for a wide range of vessel configurations. Designed for easy installation, dependable connectivity, and long-lasting reliability, these products help maximize the performance of your onboard technology. Featuring trusted marine brands recognized for quality and innovation, our Marine Navigation Instruments – Network Cables & Modules collection delivers reliable solutions for modern vessels. Shop today and upgrade your marine electronics network with confidence.

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  • Fusion to Garmin Marine Network Cable - Male to RJ45 - 6 (1.8M) [010-12531-20]
    Fusion

    Fusion to Garmin Marine Network Cable - Male to RJ45 - 6 (1.8M) [010-12531-20]

    $52.65
    $58.50
    $52.65
    Fusion to Garmin Marine Network Cable - Male to RJ45 - 6' (1.8M)Use these adapter cables to link your GPSMAP® Series chartplotter to a compatible Fusion® stereo.  These cables will connect a Garmin Marine Network port to an RJ45 port and are offered in...
    $52.65
    $58.50
    $52.65
  • Garmin BlueNet Network Cable 50' (Right Angle) [010-12528-10]
    Garmin

    Garmin BlueNet Network Cable 50' (Right Angle) [010-12528-10]

    $92.15
    $102.39
    $92.15
    BlueNet™ Network Cable 50' (Right Angle)Our Garmin BlueNet marine network cables offer additional cable lengths to help with installations.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For...
    $92.15
    $102.39
    $92.15
  • Garmin GXM 54 Satellite Weather/Radio Antenna - White [010-02277-00]
    Garmin

    Garmin GXM 54 Satellite Weather/Radio Antenna - White [010-02277-00]

    $1,073.74
    $1,243.43
    $1,073.74
    GXM™ 54 Satellite Weather/Radio Antenna - WhiteAdd SiriusXM® Weather and Radio Plus Fish Mapping Directly on Your ChartplotterThe GXM 54 satellite weather/radio antenna with SiriusXM coverage lets you head out with detailed weather information¹ that’s delivered straight to your Garmin chartplotter.  With the most...
    $1,073.74
    $1,243.43
    $1,073.74
  • Garmin BlueNet Network Cable Coupler [010-12531-00]
    Garmin

    Garmin BlueNet Network Cable Coupler [010-12531-00]

    $33.63
    $36.56
    $33.63
    BlueNet™ Network Cable CouplerAttach two Garmin BlueNet™ Network cables with this small and robust coupler.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to...
    $33.63
    $36.56
    $33.63
  • Garmin Marine Network Adapter Cable (Small to Large) [010-12531-01]
    Garmin

    Garmin Marine Network Adapter Cable (Small to Large) [010-12531-01]

    $33.63
    $36.56
    $33.63
    Marine Network Adapter Cable (Small to Large)Convert your compatible device’s network connector from small to large so it can connect to a compatible Garmin chartplotter. WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer,...
    $33.63
    $36.56
    $33.63
  • Garmin Marine Network Cable - 500' [010-10647-01]
    Garmin

    Garmin Marine Network Cable - 500' [010-10647-01]

    $441.77
    $511.99
    $441.77
    Marine Network Cable - 500'Our marine network cable offers an additional 500'(152.4M) of cable length.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to...
    $441.77
    $511.99
    $441.77
  • Garmin RJ45 Marine Network Cable PoE Isolation Coupler [010-10580-10]
    Garmin

    Garmin RJ45 Marine Network Cable PoE Isolation Coupler [010-10580-10]

    $92.15
    $102.39
    $92.15
    Marine Network Cable PoE Isolation CouplerConnect a FLIR M- or MD- Series camera to a compatible 8000 series Garmin chartplotter with this PoE (Power over Ethernet) isolation coupler. The coupler provides connectivity to the Garmin Marine Network; without it the network will not function...
    $92.15
    $102.39
    $92.15
  • Garmin RJ45 Cable Coupler [010-10580-00]
    Garmin

    Garmin RJ45 Cable Coupler [010-10580-00]

    $78.98
    $87.76
    $78.98
    Use cable coupler to join 2 marine network cables end to endWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.
    $78.98
    $87.76
    $78.98
  • Garmin 20' Marine Network Cable - RJ45 [010-10551-00]
    Garmin

    Garmin 20' Marine Network Cable - RJ45 [010-10551-00]

    $73.13
    $80.44
    $73.13
    20' Marine Network Cable, RJ45WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications: Cable Length (Feet): 20' Box Dimensions: 3"H x...
    $73.13
    $80.44
    $73.13
  • Garmin 40' Marine Network Cable - RJ45 [010-10552-00]
    Garmin

    Garmin 40' Marine Network Cable - RJ45 [010-10552-00]

    $92.15
    $102.39
    $92.15
    40 foot marine network cable - RJ45WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications: Cable Length (Feet): 40' Box Dimensions:...
    $92.15
    $102.39
    $92.15
  • Garmin 6 Ft Marine Network Cable, RJ45 [010-10550-00]
    Garmin

    Garmin 6 Ft Marine Network Cable, RJ45 [010-10550-00]

    $52.65
    $58.50
    $52.65
    6ft Marine network cable, RJ45WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications: Cable Length (Feet): 6' Box Dimensions: 2"H x...
    $52.65
    $58.50
    $52.65
  • Garmin GMS 10 Network Port Expander [010-00351-00]
    Garmin

    Garmin GMS 10 Network Port Expander [010-00351-00]

    $340.84
    $394.96
    $340.84
    GMS 10 Network Port ExpanderThe GMS 10 network port expander allows you to connect multiple chartplotters and sensors over the Garmin Marine Network. With this robust 100 MB switch, you can connect multiple multi-functional displays (MFDs) and sensors to the marine network and gain...
    $340.84
    $394.96
    $340.84
  • Maretron J1 Output Mating Connector w/3M Leads-CLMD12 [A3706]Maretron J1 Output Mating Connector w/3M Leads-CLMD12 [A3706]
    Maretron

    Maretron J1 Output Mating Connector w/3M Leads-CLMD12 [A3706]

    $112.35
    $117.03
    $112.35
    J1 Output Mating Connector with 3M Leads-CLMD12Output (J1) Mating Connector with 12" flying leads.This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Specifications: Cable Length (Feet): 9 Box Dimensions: 1"H x...
    $112.35
    $117.03
    $112.35
  • Simrad RJ45 Male to 5-Pin Male Ethernet Adapter - 6' (1.8M) [000-16168-001]
    Simrad

    Simrad RJ45 Male to 5-Pin Male Ethernet Adapter - 6' (1.8M) [000-16168-001]

    $39.48
    $45.35
    $39.48
    RJ45 Male to 5-Pin Male Ethernet Adapter - 6' (1.8M)6' (1.8M) RJ45 male to 5-pin Ethernet adapter cable.
    $39.48
    $45.35
    $39.48
  • Navico NEP-3 Ethernet 5-Port Switch 1GBPS [000-16008-001]Navico NEP-3 Ethernet 5-Port Switch 1GBPS [000-16008-001]
    Navico

    Navico NEP-3 Ethernet 5-Port Switch 1GBPS [000-16008-001]

    $563.19
    $0.00
    $563.19
    NEP-3 Ethernet 5-Port Switch 1 GbpsThe NEP-3 Expansion Port allows you to expand your boat’s system with up to five additional displays and accessories. Featuring support for up to gigabit data transfer speeds, the NEP-3 provides high-speed access to Ethernet-compatible accessories, like sonar modules...
    $563.19
    $0.00
    $563.19
  • FLIR M300 Power Serial CVBS Cable - 10M [A80666]
    FLIR Systems

    FLIR M300 Power Serial CVBS Cable - 10M [A80666]

    $339.37
    $358.39
    $339.37
    M300 Power Serial CVBS Cable - 10MPower/data/video cable for M300C, M332, M364, M364C, and M364C-LR cameras.FLIR Marine camera systems operate on 12V or 24V DC power. To support flexible installations, FLIR offers a variety of replacement and extended-length power cables. Specifications: Cable Length (Feet):...
    $339.37
    $358.39
    $339.37
  • Furuno 5M LAN Waterproof Cable RJ45 x RJ45 f/TZtouchXL [001-653-260-00]
    Furuno

    Furuno 5M LAN Waterproof Cable RJ45 x RJ45 f/TZtouchXL [001-653-260-00]

    $163.84
    $0.00
    $163.84
    5M LAN Waterproof Cable RJ45 x RJ45 for TZtouchXL Furuno's TZtouchXL LAN Cable ASSYSpecifications: Length: 5M Waterproof RJ45 x RJ45 This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
    $163.84
    $0.00
    $163.84
  • FLIR RJ45 Waterproof Connector [4115028]
    FLIR Systems

    FLIR RJ45 Waterproof Connector [4115028]

    $40.95
    $0.00
    $40.95
    RJ45 Waterproof ConnectorFLIR's RJ45 waterproof connector is a key component for installing and operating your maritime thermal camera from FLIR. The RJ45 waterproof connector connects the thermal camera itself to the Joystick Control Unit (JCU) using an Ethernet cord, transmitting both data and electricity...
    $40.95
    $0.00
    $40.95
  • Actisense 9-Pin, D-Type Molded Cable Assembly - Female [DB9-F]
    Actisense

    Actisense 9-Pin, D-Type Molded Cable Assembly - Female [DB9-F]

    $20.09
    $22.31
    $20.09
    9-Pin, D-Type Molded Cable Assembly - Female9-pin, D-type molded cable assembly.This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
    $20.09
    $22.31
    $20.09
  • AMEC CUBO-162 VHF Antenna Splitter [AMEC-S162-010]
    AMEC

    AMEC CUBO-162 VHF Antenna Splitter [AMEC-S162-010]

    $530.57
    $588.81
    $530.57
    CUBO-162 VHF Antenna SplitterCUBO-162 is AMEC´s next-generation AIS antenna splitter used to share a single VHF antenna for both VHF radio and AIS transponder or receiver. It also provides a feed for FM radio.Features: Zero insertion loss: for Reception CUBO-162 provides optimized AIS and...
    $530.57
    $588.81
    $530.57