Humminbird AS-GPS-HS GPS Sensor
Best navigation upgrade for anglers needing precise heading and position accuracy.
Enhance your marine navigation with the Humminbird AS-GPS-HS GPS Sensor. This external unit delivers rapid and accurate position fixes, ensuring you stay on course. Its integrated internal compass provides continuous boat heading, even when stationary, which is vital for precise chart correlation and boat control. The sensor comes with a 20-foot cable and includes hardware for versatile stem or deck installation, offering flexibility for your setup. It's designed to seamlessly integrate with a wide range of compatible Humminbird displays.
$269.99
Owner Satisfaction
4.6
/ 5
Category Rank
94
/ 238
#94 in Marine Chartplotters & GPS
Price vs Category Average
-86%
Below average
Model Number
4084001
/ -
Who it's for
- Anglers navigating at high speeds needing real-time tracking
- Boaters operating in areas with poor satellite reception
- Humminbird users wanting a simple, reliable plug-and-play upgrade
Who should skip it
- Budget-conscious buyers satisfied with their current internal GPS
- Owners avoiding permanent modifications or complex cable routing
- Shoppers prioritizing future compatibility with other marine brands
Performance breakdown
Heading Accuracy
Integrated compass provides reliable orientation even when the boat is stationary.
Positioning Speed
Rapid satellite acquisition ensures you stay locked on your intended course.
Installation Versatility
Flexible mounting options accommodate both deck and stem configurations with ease.
System Integration
Seamlessly bridges with existing Humminbird displays for a unified navigation experience.
Build Durability
Rugged construction designed to withstand harsh marine environments and constant exposure.
Chart Correlation
Precise heading data aligns perfectly with digital charts for superior control.
Key Specs
Model Number
408400-1
GPS Accuracy
Within 2.5 meters
Receiver Dimensions
3.25" diameter, 1.5" high
Cable Length
20 ft (6m)
Mounting Thread Count
1"-14 (with optional stem)
Warranty
1-Year Limited Warranty
Required Software (Legacy)
6.570 or higher
Preloaded Charts
Worldwide Basemap
Features
- Fast and precise GPS position fixes
- Internal compass for constant heading
- Enhances precision boat control
- Correlates heading with GPS chart data
- Includes stem or deck installation hardware
- Broad compatibility with Humminbird models
- Worldwide Basemap preloaded
- 2.5-meter GPS accuracy
What customers say
Consumers consistently highlight the exceptional reliability and immediate performance boost delivered by this GPS sensor. It achieves rapid satellite acquisition, often resolving accuracy issues inherent in built in units. Installation is remarkably straightforward, making the upgrade process simple and efficient. Anglers particularly value the stable heading data, which is crucial for precise mapping and slow speed navigation. This unit is viewed as a high value, necessary component for serious marine electronics setups.
Know before you buy
While many units have internal GPS, this external sensor provides a dedicated compass for heading data. This allows your chartplotter to know exactly which direction your boat is pointing even when you are stationary or moving slowly, which is essential for precise map orientation.
This sensor is compatible with a wide range of Humminbird models, but it is important to check your specific unit's manual. If you are using a legacy device, ensure your software is updated to version 6.570 or higher to ensure full functionality.
The sensor includes hardware for both flush deck mounting and stem mounting. The stem mount uses a standard 1"-14 thread count, making it compatible with most common marine antenna mounts.
For most center console and bass boat configurations, the 20-foot cable is sufficient to reach from the stern or gunwale mounting location to the console. If your boat is significantly larger, you may need to plan your cable routing carefully to ensure the reach is adequate.
The sensor delivers GPS position fixes with an accuracy within 2.5 meters. This level of precision is designed to keep you reliably on track during navigation and while marking waypoints.
No, the sensor is powered directly through the connection to your Humminbird display via the provided cable. There is no need to wire it into your boat's main electrical system separately.
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Ready to buy?
$270