Humminbird 408400-1 AS GPS HS Precision GPS Antenna with Heading Sensor

The Humminbird AS GPS HS (408400-1) is a high-precision GPS antenna with integrated heading sensor designed to enhance the performance and accuracy of your Humminbird fish finder or chartplotter. This advanced antenna combines GPS positioning with a built-in fluxgate compass heading sensor, providing accurate boat direction and orientation data even when stationary.

Key Features:

• Integrated fluxgate heading sensor provides accurate directional data for enhanced chart orientation and autopilot functionality
• Compact design measures 3.25 inches in diameter by 1.5 inches in height
• Includes 20-foot cable for flexible mounting options
• High-sensitivity GPS receiver delivers fast position locks and accurate positioning
• 10Hz update rate provides smooth, real-time position tracking
• Weather-resistant construction suitable for marine environments

Compatible Models:

• APEX Series
• SOLIX Series
• HELIX 15, 12, 10, 9, 8, and 7 (G2N, G3N, G4N generations)
• MEGA 360
• ONIX Series
• 859ci, 899ci, 959ci, 999ci, 1159ci, and 1199ci HD models (including Combo, DI, XD, and SI variants)

The heading sensor functionality is particularly valuable for chart stabilization, allowing your chartplotter to maintain proper orientation regardless of boat movement. This antenna is essential for anglers and boaters who demand precise navigation data and enhanced situational awareness on the water.