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Northstar > Electronics > GPS Navigation > Multifunction Network Systems >

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Whether you're walking, boating, or driving, stay on course with navigators from the biggest names in GPS: Garmin, Furuno, Lowrance, and more. On the water choose from fixed-mount chartplotters, chartplotter/fishfinder combos, and fully-loaded multifunction network displays. Landlocked? Check out our automotive and handheld GPS devices.

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Lowrance StructureScan Transducer 10' Extension Cable

Lowrance StructureScan Transducer 10' Extension Cable

Key Features
  • 10 transducer extension cable

  • For use with LSS-1 and LSS-HD transducers

$59.99
Lowrance LST-3800 In-Dash Digital Depth/Temp Gauge

Lowrance LST-3800 In-Dash Digital Depth/Temp Gauge

Key Features
  • In-dash digital depth and water temperature gauge

  • 200 kHz hi-speed Skimmer transom mount transducer

  • Built-in temp sensor

  • Hi-contrast dot matrix display with LED backlight

  • Fully sealed and waterproof

$179.99
Lowrance NMEA 2000 Network Starter Kit

Lowrance NMEA 2000 Network Starter Kit

Key Features
  • Two terminating resistors

  • Two T-connectors

  • One 2 extension cable

  • One 15 extension cable

  • One power node

$69.99
Lowrance Point-1 GPS Antenna

Lowrance Point-1 GPS Antenna

Key Features
  • Smooth and accurate location updates

  • Integrated electronic compass with GPS

  • NMEA 2000 antenna module

  • Rugged, waterproof device

$198.99
Lowrance 20' Transducer Extension Cable

Lowrance 20' Transducer Extension Cable

Key Features
  • Durable 20 extension cable

  • Increases the functionality of your transducer

  • For use with LCX-110C, LCX25C, and more

$39.99
Raymarine P58 Transom-Mount Transducer With 25' Cable

Raymarine P58 Transom-Mount Transducer With 25' Cable

Key Features
  • 500-watt transducer

  • Excellent inshore and offshore performance

  • Includes 25 cable

$99.99
Garmin 10' Transducer Extension Cable For GSD 22 And GSD 24 Sounders

Garmin 10' Transducer Extension Cable For GSD 22 And GSD 24 ...

Key Features
  • 10 extension cable

  • For Garmin GSD 22 and GSD 24

$89.99
Furuno Bronze Thru-Hull Transducer with Temp and High-Speed Fairing Block

Furuno Bronze Thru-Hull Transducer with Temp and High-Speed ...

Key Features
  • Bronze Thru-Hull Transducer

  • Temp and High-Speed Fairing Block

  • 1000 Watt (1 KW)

  • 50/200 kHz with Diplexer

  • 10 Pin Connector

$529.99
Garmin Transom-Mount Transducer Kit

Garmin Transom-Mount Transducer Kit

Key Features
  • Transducer with depth and temp

  • 200/50kHz operating frequency

  • Kit comes with mounting hardware

$69.99
Lowrance HST-WSBL Transom-Mount Skimmer Transducer With Temp Sensor

Lowrance HST-WSBL Transom-Mount Skimmer Transducer With Temp ...

Key Features
  • Lowrance #106-72

  • Transom-mount skimmer transducer

  • Built-in temperature sensor

$69.99
Shakespeare Medium Duty 1' Antenna Extension Mast w/Nylon Ferrule

Shakespeare Medium Duty 1' Antenna Extension Mast w/Nylon Ferrule...

Key Features
  • Quality antennas with high gloss urethane finishes

  • Mirror-finished, chrome plated brass

  • Proprietary, high gloss polyurethane

$24.99
Garmin GPSMAP 4200 Series Chartplotters

Garmin GPSMAP 4200 Series Chartplotters

Key Features
  • High-resolution sunlight-viewable color display

  • External high-sensitivity GPS receiver/antenna

  • Preloaded BlueChart g2 US coastal maps

  • Compatible with XM weather, Garmin radar, DSC, AIS

  • Networks with NMEA 0183 and NMEA 2000

2 models to choose from
$1,999.99 - $2,259.99
Raymarine e-Series Multifunction Displays

Raymarine e-Series Multifunction Displays

Key Features
  • Wi-Fi Bluetooth wirelessly sync w/mobile devices

  • Internal high-sensitivity GPS receiver w/basemap

  • Available with Navionics maps on microSD cards

  • NMEA 0183, 2000/SeaTalk(hs)/SeaTalk(ng) networking

  • Connect up to 6 displays, sounders, radar, more

$1,449.99
$1,249.99
Icom MA-500TR AIS Transponder With MX-G5000 GPS Receiver

Icom MA-500TR AIS Transponder With MX-G5000 GPS Receiver

Key Features
  • Class B AIS transponder

  • Automatically shares vessel information

  • For pleasure craft, work boats, and small vessels

  • Simple display operation

$899.99
Si-Tex ColorMax Sea Link Chartplotter

Si-Tex ColorMax Sea Link Chartplotter

Key Features
  • 7" active matrix LCD color display

  • External WAAS + GPS antenna is accurate within 3m

  • Built-in world basemap

  • NMEA 0183 interfacing data port

  • Expands to a full-featured fishfinder or MFD

$949.00
$669.24
Lowrance StructureScan HD (LSS-2) Sonar Imaging System

Lowrance StructureScan HD (LSS-2) Sonar Imaging System

Key Features
  • 600 range SideScan Imaging

  • 300 deep DownScan Imaging

  • Three dedicated transducer signals

  • Comes with Skipper imaging transducer

  • StructureMap View for overlaying maps w/sonar data

$599.99
Raymarine I70 Multifunction Instrument Display

Raymarine I70 Multifunction Instrument Display

Key Features
  • Digital and graphical view of data

  • 4" oversized ultra bright color display

  • 30% larger than previous displays

  • Very low power consumption

$534.99
Garmin GSD 22 Black Box Sounder

Garmin GSD 22 Black Box Sounder

Key Features
  • Reaches depths of up to 5,000 ft.

  • Dual frequency (200 kHz/50 kHz)

  • 2 kW transmit power

$429.99
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Humminbird XPTH-9-HDSI-180-T Plastic Thru-Hull Transducer

Humminbird XPTH-9-HDSI-180-T Plastic Thru-Hull Transducer

Key Features
  • Dual/High Definition Side Imaging

  • Built-in temperature

  • 30 cable

  • Fairing block included

$309.99
Raymarine iTC-5 Analog-To-Digital Transducer Converter

Raymarine iTC-5 Analog-To-Digital Transducer Converter

Key Features
  • Enables analog signals on digital displays

  • Cost-effective way to upgrade older instruments

  • Outputs NMEA 2000 data to digital units

  • Ideal for use with i70 and ST70 Plus systems

$264.99

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