Cables & Networking

  1. 10% off

    Garmin 4-Pin ECHOMAP Power/Data Cable - 010-12199-04

    $27.99
    $25.19
  2. Garmin Quarter Turn Locking Collar - K00-00494-01

    $1.98
    2
  3. Garmin RJ45 Network Cable Split Connector (2-Pack) - 010-11170-00

    $5.31
  4. 10% off

    Raymarine Seatalk HS Network Cable

    $86.99
    $78.29
    1
  5. Veratron LinkUp Single-Sensor Gateway - J1939 - B00042401

    $179.37
    0
  6. Maretron Micro-C Connector Cover - M000101

    $5.03
    1
  7. 35% off

    Maretron Mini Double-Ended Cordset

    $39.99 - $92.99
    $39.94 - $92.99
    0
  8. Maretron Mini Gender Changer

    $40.99 - $43.99
    0
  9. Maretron Mini Termination Resistor

    $13.55
    0
  10. Raymarine RayNet Adapter Cable - A80272

    $81.99
    0
  11. Raymarine Seatalk Adapter Cable - A06048

    $41.99
    0
  12. Raymarine Seatalkhs Crossover Coupler - E55060

    $41.99
    0
  13. Digital Yacht PC Pilot Plug Cable - ZDIGPPL

    $159.99
    0
  14. Garmin BlueNet Network Field Installable Adapter Kit - 010-12528-20

    $50.99
  15. Garmin Marine Network to Fusion RJ45 Cable

    $28.99 - $37.99
  16. 10% off

    Fusion Shielded Ethernet Cable

    $37.99 - $68.99
    $37.99 - $62.09
  17. Ancor NMEA 2000 Inline Terminator - 270114

    $17.23
  18. Ancor NMEA 2000 Single Device Backbone Starter Kit - 270203

    $110.99
  19. Furuno 3-Pin Power Cable Assembly for DFF1/BBDS1 - 000-164-952

    $69.99
    1
  20. Maretron Bulk NMEA Mid Cable

    $1.89
    0
  21. Maretron Micro Bulk Cable

    $1.59
    0
  22. Maretron Mid Bulk Cable

    $1.89
    0
  23. Maretron NMEA Mini Cable

    $2.69
    0
  24. 10% off

    Humminbird NMEA 2000 Drop Cable

    $30.99 - $89.99
    $27.89 - $89.99
    0
  25. 5% off

    Lowrance N2K-PWR-RD NMEA2000 Power Node - 000-0119-75

    $53.99
    $51.29
    0
  26. Lowrance TR-120-KIT Network Terminator Kit - 000-0127-52

    $21.99
    0
  27. Garmin GMS 10 Power Cable - 010-10553-00

    $32.99
  28. Garmin GPSMAP 8400/8600 USB Cable - 010-12390-10

    $55.99
  29. Garmin Small (Female) to Large Network Adapter Cable - 010-12531-10

    $32.99
  30. Garmin Right Angle NMEA 0183 Cable with Audio - 010-12390-21

    $36.99
  31. Garmin Small Female to Large Female Network Adapter Cable - 010-13094-00

    $37.99
  32. Humminbird AS EC QDE Ethernet Adapter Cable - 720074-1

    $28.99
    0
  33. Humminbird AS GPS APEX APEX GPS Adapter - 720113-1

    $40.99
    0
  34. Humminbird NMEA 2000 NMEA Adapter for Helix - 720114-1

    $32.99
    0
  35. Humminbird AS-EC-15E Ethernet Cable - 15' - 720073-5

    $54.99
    0
  36. Humminbird NMEA 2000 T-Connector - Male - 760038-1

    $33.99
    0
  37. Humminbird PC-11 Filtered Power Cable - 720057-1

    $18.04
    0
  38. Veratron LinkUp Single-Sensor Gateway - Resistive - B00042201

    $149.31
    0
  39. 84% off

    Oceanic Systems NMEA2000 Micro Network Terminator Connector

    $19.68
    $2.96
    0
  40. Maretron NMEA Field Attachable Micro/Mid Connector - 90 deg. - Male - FA-CM-90

    $25.99
    0
  41. Maretron Micro Cap Connector Cover - M000102

    $5.03
    0
  42. 10% off

    Furuno Antenna Cable - WX3-SRC-035

    $55.99
    $50.39
    0
  43. Garmin Cable Weather Cap

    $7.24 - $10.70
  44. 10% off

    Raymarine ES7 Series Video In Cable - R70414

    $26.99
    $24.29
    1
  45. Simrad SimNet Joiner Red with Terminator - 44172278

    $20.99
  46. Simrad SimNet Protection Plug - 24005886

    $8.23
  47. Garmin Marine Network Cables

    $37.99 - $53.99
  48. Furuno Power Cable for 600L/582L/292/1650 - 000-135-397

    $57.99

About Cables & Networking

Boat Power Connectors & Network Accessories

Defender has many marine power connectors to fit all your boat network accessory needs. From ethernet cables to junction boxes, boats have gone high-tech, and we are keeping up. All the classic boat connector replacement favorites are available for those who like to keep their tech as-is. For individual parts or kits, we've got you covered!

Tech for Everyone

Whether you like to keep it simple or prefer things more high-tech there is an expansive lineup of boat network connectors. If you're looking for radio access and weather information without the 5G confusion, our collection of kits will offer you just that. DIY the installation of a Wi-Fi powered by LTE systems (2G, 3G, 4G); the Digital Yacht 4G Connect Pro Model Wi-Fi Router is available and easy to install.

Wiring & Accessories

High-tech or traditional, we have boat network accessories and marine power accessories to accompany your new system. When replacing parts on an existing system check your list twice and choose from an array of power cables, audio cables, and video cables. Don't forget to check the connectors, terminators, and converters needed to accompany your new accessories.

We Know Staying Connected is Important!

From weather conditions to radio contact with other vessels, staying connected is paramount to safety on the water. A trustworthy connection can be more than a matter of making sure the XM Radio will belt out a rocking playlist while you're making that catch - communications with other vessels and updated weather information are essential to your safety. Be confident in your setup - from pleasure to essentials - with updated wiring and accessories from Defender.