NMEA 2000 (N2k) 4-Port MultiPort (Tee) T-Connector for Garmin Lowrance Simrad B&G & Navico Networks

Quick take

This NMEA 2000 4-port tee connector (multiport) is designed to expand your N2k backbone so you can add up to four additional displays, sensors, or other network components. It’s built for marine installations with gold-plated contacts for corrosion resistance and an IP67 waterproof submersion rating. The main caveat is that you’ll still need to confirm your existing NMEA 2000 layout and cabling so the mounting and port count match what you are trying to connect.

Pros and cons

Pros

  • Expands an NMEA 2000 backbone with 4 additional ports for displays, sensors, and other components.
  • NMEA 2000 certified, built to be compatible across common marine brands.
  • Gold-plated contacts help resist corrosion in marine environments.
  • Waterproof IP67 rating for submersion resistance (1 meter for 24 hours).

Cons

  • Only useful if your installation actually needs a 4-port multiport tee (layout and port planning matter).
  • Panel-mount installation requires solid space and mounting access where the tee will sit.

What buyers think

Reviewed productBuy on Amazon

Buyer-review evidence is broadly positive, with themes focused on build quality, reliable connectivity, and straightforward fit for common marine NMEA 2000 setups. Several comments describe it as working as expected, providing a “good value” replacement option, and performing at least on par with other established NMEA 2000 tee connectors. Evidence is limited in detail on any long-term failure modes, but the overall sentiment points to a dependable, installation-friendly connector when you need to add ports to your network.

What this connector does for your NMEA 2000 network

An NMEA 2000 backbone is the shared network that carries data among your marine electronics. This 4-port multiport tee is meant to simplify expansion, letting you connect multiple additional components without creating a messy set of ad hoc joins. The goal is a cleaner, more robust network layout by reducing stress points that can occur when cables and connectors are forced into awkward positions during installation.

Key features that matter on the water

4-port expansion in one unit

If you’re adding more than a single device, a multiport tee helps you consolidate connections. With the ability to connect up to four additional components, it can be an efficient choice for busy setups with multiple displays or sensor modules.

Marine-focused durability

It uses gold-plated contacts intended to resist corrosion, which is a common concern in saltwater and high-humidity conditions. It also has an IP67 waterproof rating, tested for submersion in water at 1 meter for 24 hours. For most boat owners, that translates to more confidence when the connector is exposed to spray, damp bilges, or weather during maintenance access.

NMEA 2000 compatibility

The connector is NMEA 2000 certified and intended to work as a universal component across manufacturers. That makes it a practical fit for mixed-brand systems, especially when pairing Garmin, Lowrance, Simrad, B&G, or Navico electronics on the same N2k network.

Pros and cons (expanded)

Reviewed productBuy on Amazon

When it’s a smart buy

  • You need port expansion: Your backbone has available space, and you’re planning to add multiple devices.
  • You want corrosion resistance: Gold-plated contacts are specifically aimed at marine durability.
  • You want waterproof performance: IP67 submersion resistance supports outdoor and wet-area installations.
  • You’re standardizing connectors: Buyer feedback supports reliable “works as advertised” performance for typical NMEA 2000 use.

When you might want something else

  • Your layout only needs a smaller split: If you only need one or two additional drops, a different connector style could simplify the wiring plan.
  • Mounting space is limited: It’s meant for panel-mount style installation, so you’ll want to confirm you have access and clearance for the physical footprint and mounting approach.

Price and availability

The current price can fluctuate over time. Look for the latest listing price and ordering options here: Buy on Amazon.

Verdict

The NMEA 2000 4-port multiport tee connector is a strong choice for boaters building or expanding a multi-device N2k network, especially when you want a marine-rated, corrosion-resistant connection point with IP67 waterproof performance. It’s best for shoppers who have confirmed they need a 4-port tee in their installation, and it’s a straightforward buy for mixed-brand Garmin, Lowrance, Simrad, B&G, and Navico setups.

FAQ

Reviewed productBuy on Amazon

Is this connector compatible with Garmin Lowrance Simrad B&G and Navico NMEA 2000 networks?

It is NMEA 2000 certified and intended to be universal, so it’s designed to work across common marine NMEA 2000 equipment from major manufacturers.

How many devices can I connect using this 4-port tee?

The multiport tee is intended to let you connect up to four additional displays, sensors, or other NMEA 2000 components to your backbone at that junction.

Is it waterproof enough for marine use?

It has an IP67 rating for waterproof performance, including a submersion test at 1 meter for 24 hours.

Will it help make my NMEA 2000 installation more reliable?

It’s designed to reduce stress points by creating a more organized connection junction, which can help during installation where cables might otherwise be forced into tight or awkward spots.

Do I need to match this tee to my existing backbone and cables?

Yes. Like any NMEA 2000 connector, it needs to fit your installation plan. Confirm your network layout and mounting space so the 4-port tee and connection approach match your existing cabling.

What mounting type does it use?

It’s described as a panel-mount connector, so you’ll need suitable access and space where you plan to mount it.

Specifications

Product TitleNMEA 2000 (N2k) 4-Port MultiPort (Tee) T-Connector for Garmin Lowrance Simrad B&G & Navico Networks
CategoryElectronics > Car & Vehicle Electronics > Marine Electronics > Marine GPS Accessories
BrandRegatta Processing
ManufacturerRegatta Processing
Model NameMultiPort (Tee)
Product Dimensions5.5"L x 0.75"W x 1.75"H
Compatible with Vehicle TypeBoat
Additional FeaturesWaterproof
Connectivity TechnologyNMEA 2000
Map TypesNautical
Mounting TypePanel Mount
Touch Screen TypeCapacitive
Display Typetouch screen
Human-Interface InputTouchscreen
Control MethodTouch
Are Batteries IncludedNo
Supported Satellite Navigation SystemGPS
Connectivity ProtocolNMEA 2000
Sport TypeBoating, Fishing, Sailing
Built-In Media1 x Tube, 4 x Fittings
UPC647016929347
Item Type Name4-Port Tee Connector
Item Dimensions L x W x H5.5"L x 0.75"W x 1.75"H
Vehicle Service TypeBoat
Special FeatureWaterproof
Map TypeNautical
Included Components1 x Tube, 4 x Fittings

Recommended next