Humminbird 859ci HD Chartplotter Fishfinder Combo
$270.00
Humminbird 859ci HD Chartplotter Fishfinder Combo combines DualBeam PLUS with SwitchFire with a 7-inch display and integrated GPS mapping. It is built to show sonar returns, structure, and chart data together for more confident navigation and fishing decisions.
Overview Humminbird 859ci HD Chartplotter Fishfinder Combo
Humminbird 859ci HD Chartplotter Fishfinder Combo combines chartplotter and fishfinder functions in one marine unit, making it easier to read sonar returns and navigation data from the same screen. Built around a 7-inch display, the 480 x 800 (HD Color LCD) display is matched with DualBeam PLUS with SwitchFire so the unit can support both route decisions and fishing setup.
Humminbird 859ci HD Chartplotter Fishfinder Combo is especially useful for operators who want one display to manage navigation, waypoint work, and sonar interpretation without moving between separate devices. Internal 10 Hz High-Speed Precision; Ethernet (5 Ports), NMEA 2000, NMEA 0183; 1,500 feet.
Key Features
- Display clarity: Uses a 7-inch display with 480 x 800 (HD Color LCD) so sonar, charts, and system data remain easier to read from the helm.
- Sonar capability: DualBeam PLUS with SwitchFire. Delivers clearer bottom detail and fish target interpretation.
- Positioning: Internal 10 Hz High-Speed Precision keeps chart position and waypoint updates responsive for navigation and return-to-spot accuracy.
- System integration: Ethernet (5 Ports), NMEA 2000, NMEA 0183 allows the unit to share data with compatible marine electronics and sensors.
- Depth performance: 1,500 feet shows the sonar range and conditions the model is intended to handle.
- Marine-ready construction: IPX7 Standards supports use in exposed marine environments.
Applications
This combo unit is a practical fit for boats that need charting and sonar together on one screen without adding separate helm displays. It suits everyday navigation, fishing, and route management on inland and coastal waters where quick access to charts, waypoints, and sonar returns helps with on-water decisions.
The display size and built-in GPS mapping also make it easier to run split-screen views so operators can watch position, bottom changes, and fish targets at the same time.
Specifications
| Display Size | 7.0 inches Diagonal |
| Display Resolution | 480 x 800 (HD Color LCD) |
| GPS Receiver | Internal 10 Hz High-Speed Precision |
| Sonar Technology | DualBeam PLUS with SwitchFire |
| Power Output | 500 Watts (RMS) / 4,000 Watts (PTP) |
| Max Depth | 1,500 feet |
| Networking | Ethernet (5 Ports), NMEA 2000, NMEA 0183 |
| Card Storage | Two SD |
| Waterproof Rating | IPX7 Standards |
| Product Warranty | 1-Year Limited Manufacturer Warranty |
What’s Included
- Humminbird 859ci HD Chartplotter/Fishfinder Unit
- DualBeam PLUS Transom-Mount Transducer
- Gimbal Mounting Bracket and Adjustment Knobs
- Power Cable (6 ft)
- Installation Hardware and Mounting Gasket
- User Manual and Documentation Pack
Frequently Asked Questions About Humminbird 859ci HD Chartplotter Fishfinder Combo
What kind of onboard use is Humminbird 859ci HD Chartplotter Fishfinder Combo built to support?
Humminbird 859ci HD Chartplotter Fishfinder Combo is designed for boaters who need charting and sonar in one helm display. It combines 7.0 inches Diagonal display with DualBeam PLUS with SwitchFire to support navigation, fishfinding, and everyday helm decisions.
How does this display support charting and sonar use?
This unit is described with 7.0 inches Diagonal display with 480 x 800 (HD Color LCD) resolution; DualBeam PLUS with SwitchFire; Display clarity. Those details make it easier to read navigation data and interpret underwater information during normal use.
What connectivity options are available for this chartplotter?
This marine display includes Ethernet (5 Ports), NMEA 2000, NMEA 0183; Internal 10 Hz High-Speed Precision, which supports data sharing, position updates, or system expansion when those functions are listed for the model. That can be useful for owners who want charting, sonar, and connected onboard information working together.
What makes this chartplotter easy to operate underway?
This system is described for active marine use, where clear visibility, responsive operation, and straightforward access to key data matter throughout the day. The listed IPX7 Standards supports easier viewing and more confident operation in changing marine conditions.
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