Lowrance

Lowrance NAC-MRD2MBL NMEA Network Adapter Cable

SKU: 32762 · UPC: 042194530444 · MPN: 127-04
4.7 · 0 reviews
Authorized dealer13% off
$42.49
$49.00Save $6.51
or 4 payments of $10.62 with Affirm
Out of stock
Free shipping
Orders $500 or more
Free returns
Within 30 days
Same day shipping
Order before 3 PM (EST)
Ask anything
We're here to help
$42.49
02 · Overview

Lowrance NAC-MRD2MBL NMEA Network Adapter Cable — Product description

Upgrade your marine electronics setup without replacing your trusted gear. The Lowrance NAC-MRD2MBL NMEA 2000 network adapter cable bridges the gap between older blue-connector devices and today's standard red-connector networks, keeping your boat's systems talking seamlessly. Whether you're a weekend angler chasing bass or a serious offshore captain monitoring engine data, this adapter ensures reliable connectivity for shared information like GPS positions, sonar readings, and autopilot commands.

Why Boaters Rely on This Adapter Cable

In the world of marine navigation, compatibility is king. Legacy Lowrance units with blue connectors often get left behind when upgrading to newer NMEA 2000 networks with red connectors. This adapter solves that by converting the connection type without signal loss or extra power draw. It's a plug-and-play solution that saves time, reduces wiring clutter, and protects your investment in durable, weather-resistant marine hardware.

  • Seamless Integration: Connects blue-connector sensors or displays directly to red-connector backbones.
  • Plug-and-Play Design: No soldering or custom fabrication needed—just drop it in and go.
  • Rugged Build: Marine-grade materials withstand saltwater spray, vibrations, and extreme temperatures.
  • Enhanced Data Flow: Supports real-time sharing of depth, speed, heading, and more across your network.

Perfect for Real-World Marine Scenarios

Imagine rigging your bass boat for a tournament: Your older blue-connector fishfinder holds all your custom waypoints, but your new multifunction display uses red connectors. Without this adapter, you're stuck with duplicate data entry or a full system overhaul. It shines in mixed fleets too—pair it with Lowrance chartplotters, Simrad autopilots, or B&G instruments for a unified dashboard. Anglers report clearer sonar overlays, while sailors appreciate precise wind data integration during races.

Easy Installation Tips for Smooth Sailing

Getting this adapter online takes minutes:

  1. Power down your NMEA 2000 network.
  2. Locate the blue-connector device (like a transducer or temp sensor).
  3. Plug the adapter's blue end into the device and the red end into your network T-connector.
  4. Secure with zip ties to avoid snags.
  5. Power up and verify data on your display—watch for green status lights confirming the link.
Pro tip: Use a drop cable for longer runs to minimize backbone strain, and always terminate unused ends to prevent network ghosts.

Boost Your Boat's Network Performance

This isn't just a cable—it's a reliability booster. By standardizing connections, you cut down on troubleshooting trips and focus on what matters: the water. Users love how it future-proofs setups, making expansions like adding radar or AIS effortless. In forums, captains rave about ditching proprietary cables for this versatile workhorse that plays nice with certified NMEA 2000 gear.

Frequently Asked Questions

What does the NAC-MRD2MBL adapter cable do?

It adapts devices with blue connectors to NMEA 2000 networks using red connectors, enabling full data sharing without hardware swaps.

Is this cable compatible with all NMEA 2000 units?

Yes, it works with any NMEA 2000 compliant Lowrance, Simrad, or B&G devices, bridging blue-to-red connector mismatches.

Do I need special tools to install it?

No tools required—it's a straightforward plug-in that fits standard T-connectors on your marine backbone.

Can it handle harsh marine conditions?

Absolutely, with waterproof seals and flexible shielding built for UV exposure, corrosion, and boat vibrations.

Will this adapter slow down my network?

No impact on speed— it maintains full 250 kbps NMEA 2000 bandwidth for lag-free performance.

What if I have multiple blue-connector devices?

Use one adapter per device, daisy-chaining them along the backbone for a clean, expandable setup.

Does it support power over the network?

Yes, it passes micro-power from the NMEA 2000 backbone to low-draw blue-connector peripherals.

NAC-MRD2MBL

NMEA 2000 network adapter cable. Adapts a blue connector device to a red connector network.

Works with: NMEA 2000 Compliant Units

HDS-12 Gen3 Fishfinder / Chartplotter has a waterproof, LED backlight, ultra-bright widescreen 12"" WVGA color TFT LCD display with a resolution of 1280 x 800 pixels. This ...
SKU: NVN-32762
MPN: 127-04
UPC: 042194530444
03 · The numbers

Technical specifications

BrandLowrance
ModelLowrance NAC-MRD2MBL NMEA Network Adapter Cable
SKU / MFR#32762

Set product metafields under specs.* to populate this table.

04 · Before you buy

Frequently asked questions

No questions yet. Got one? Drop us a line.

05 · Customer voices

Customer reviews