720074-12 AS EC QDE Ethernet Adapter Cable for Humminbird - 12in

In this review of the 720074-12 AS EC QDE Ethernet Adapter Cable for Humminbird fish finders, the bottom line is straightforward: this 12in adapter is for anglers who want a simple, reliable way to network compatible Humminbird HELIX displays and accessories. The reviewer found it delivers a plug-and-play connection that makes sharing charts, sonar and control signals between units practical on small to medium boats. If you already own HELIX models that support Ethernet networking, this cable is the small but necessary link to expand capability without extra configuration.

Key Features

• Compatibility: Works with HELIX 7 G2N & G3N and all HELIX 8, 9, 10, 12 and 15 models plus listed 859-1199 series, ensuring broad support for recent Humminbird units.
• Networking support: Lets a fish finder be connected to other Ethernet-equipped displays, Ethernet accessories or One-Boat Network trolling motors for shared data and control.
• Recommended setup: When networking two fish finders the cable pairs with a single Ethernet cable to create a full link, keeping installations straightforward.
• Plug-and-play: Fully fitted connectors and a simple design reduce installation time and make it easy to integrate into existing setups without special tools.
• Durable construction: One-foot length built with materials meant to resist the marine environment for dependable on-water use.

Who It's For

This adapter is aimed at boaters who already own compatible Humminbird HELIX displays and want to network them or add Ethernet accessories and compatible trolling motor control. It is most useful on boats where short interconnect runs are sufficient, such as console-mount systems or closely grouped consoles.

It is not intended for users who need long cable runs alone, since the product is a 12in adapter and an Ethernet cable of the appropriate length is required for longer distances. Buyers who require a complete networking kit should plan to purchase standard Ethernet cable(s) in addition to the adapter.

Pros & Cons

Pros

• Compact 12in length is convenient for tidy installations between closely placed devices.
• Broad compatibility with HELIX model range simplifies parts selection when expanding a network.
• Plug-and-play connector design reduces installation time and technical hurdles.
• Durable build intended for harsh marine conditions improves longevity.

Cons

• 12in length limits use to short runs; a separate Ethernet cable is required for longer connections.

Specifications

Product	720074-12 AS EC QDE Ethernet Adapter Cable
Length	12 in (1 ft)
Compatible Models	HELIX 7 G2N/G3N, HELIX 8, 9, 10, 12, 15, 859/899/959/999/1159/1199
Function	Ethernet adapter for networking Humminbird devices
Use	Connects to Ethernet cable to network fish finders, accessories and compatible trolling motors
Design	Plug-and-play with fully fitted connectors

Our Verdict

The 720074-12 AS EC QDE Ethernet Adapter Cable is a small, practical accessory for anglers running Humminbird HELIX systems who need a reliable short interconnect. It is good value for anyone expanding displays or adding Ethernet accessories because it saves installation time and matches a wide range of HELIX models, though buyers should budget for an Ethernet cable if longer runs are required.

Frequently Asked Questions

Can this cable connect two HELIX units together?
Yes. When networking two fish finders you will use two AS EC QDE cables plus one standard Ethernet cable of the length you need.

Is the Ethernet cable included?
No. The adapter is 12 in long and requires a separate Ethernet cable for longer runs between devices.

Will this work with Minn Kota i-Pilot Link?
Yes. The adapter allows Ethernet-equipped Humminbird units to network with Minn Kota i-Pilot Link and other One-Boat Network compatible trolling motors.