The HELIX 12 CHIRP GPS G2N features a large 12.1" display with LED backlight and CHIRP 2D digital sonar. Includes GPS chartplotting with built-in Bluetooth, Ethernet networking capabilities, AutoChart Live with depth, vegetation and bottom hardness mapping, and unit cover. 
*Optional 50 kHz transducers available for extreme deepwater use and to obtain 1000 watts.

SPECS 
Display Size - Diagonal:12.1"
Display Pixel Matrix:1280H x 800V
Display Type:Color TFT
Display Colors Grayscale:65,000 Colors
Sonar Standard:CHIRP Digital Sonar/DualBeam PLUS
Standard Sonar Coverage:20° & 60° @ -10db
Standard Sonar Frequency:83/200 kHz
Sonar Optional:50kHz, 50/Low Airmar CHIRP
Target Separation:2.5"
Power Output RMS:1000 Watts*
Power Output Peak to Peak:8000 Watts*
Depth Capability:1500 ft & 3500 ft*
Temperature:Built-In Transducer
Speed:GPS Speed Included
Backlight:LED
Unit Size - Gimbal Mount:14.86"W x 8.90"H x 4.11"D
Mount A Type:Gimbal Mount
Unit Size - Indash Mount:14.86"W x 8.52"H x 3.90"D
Mounting Options:Optional In-Dash Mounting Kit
Transducer Standard:XNT 9 20 T
Transducer Mounting:Transom
Power Input:10.8-20 VDC
Power Draw:2.2 Amps
GPS Receiver:Included
GPS Tracking:Included
GPS Chartplotting:Included
Waypoints, Routes, Tracks/Points:2,500, 47, 50/20,000
Humminbird Mapping:Optional
Navionics+:Optional
Navionics Platinum+:Optional
Platinum Capable:Optional
C-Map 4D:Not Supported
360 Imaging:Optional
i-Pilot Link:Optional
HD Radar:Optional
NMEA 2000:Optional
5 Port Expansion Module:Optional
WeatherSense:Not Supported
Precision GPS:Included
Heading Sensor GPS:Optional
PC Connect:Optional
External GPS Receiver:Optional
AS Interlink:Not Supported
AIS Compatability:Optional
SwitchFire Sonar:Included
Screen Snap Shot:Included
Sonar Recording:Included
Humminbird PC:Included
Upgradable Internal Software:Included
Split Screen Zoom:Included
Split Screen Bottom Lock:Included
3D Chart View:Included
Large Digits View:Included
Wide/Narrow Cone Split Screen:Included
Custom View Selections:Included
Custom Digital Readout:Included
View Preset Keys:Included
Temperature Graph:Included
Temperature Alarm:Included
Freeze Frame:Included
Instant Image Update:Included
Mark Structure on Sonar:Included
Selective Fish ID+:Included
Real Time Sonar:Included
Triplog:Included
X-Press Menu System:Included
Card Reader Available:Yes
# Card Slots:2