Cables & Networking

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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.

Cables & Networking

Ancor NMEA 2000 Drop Cable

Ancor NMEA 2000 Four Way Tee Connector - 270104

Ancor NMEA 2000 Backbone Cable

Ancor NMEA 2000 Terminator

Ancor NMEA 2000 Two Way Tee Connector - 270103

Ancor NMEA 2000 Field Serviceable Connector

Ancor NMEA 2000 Single Tee Connector - 270101

Ancor NMEA 2000 Single Device Starter Kit - 270201

Ancor NMEA 2000 Power Cable with Tee - 1 m (3' 3 3/8") - 270000

Ancor NMEA 2000 Through Bulkhead Adaptor - 270107

Ancor NMEA 2000 Blanking Cap

Ancor NMEA 2000 Elbow Connector - 90 deg. - 270108

Ancor NMEA 2000 Inline Terminator - 270114

Ancor NMEA 2000 Power Isolator - 270113

Ancor NMEA 2000 Single Device Backbone Starter Kit - 270203

Ancor NMEA 2000 Dual Device Starter Kit - 270202

Seachoice PL259/UG-175 VHF Antenna Connector with Adaptor - 19811

Seachoice PL259 Male VHF Antenna Connector - 19821

Seachoice Double VHF Antenna Connector - 19851

Seachoice UG-175 VHF Antenna Connector for RG58U Cable - 19831

Seachoice UG-176 VHF Antenna Connector for RG59U Cable - 19841

Siren Marine NMEA 2000 Connection Kit for Siren 3 - SM-ACC3-N2KCT

Siren Marine Wiring Cable 2 for Siren 3 Pro - SM-ACC3-WIRE

About Cables & Networking

Boat Power Connectors & Network Accessories

Tech for Everyone

Wiring & Accessories

We Know Staying Connected is Important!

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