- Fully authorised Humminbird Australia Pro Store 
- Expert advice on these units available 24/7
- Coastmaster card, transducer and all mounting essentials included
- MPN: 104627AU

The HELIX 12 CHIRP MSI GPS G4N features a 12.1″ display, MEGA Side Imaging , MEGA Down Imaging , Dual Spectrum CHIRP Sonar and internal GPS with Humminbird Basemap. The HELIX 12 CHIRP MDI GPS G4N features a 12.1″ display, MEGA Down Imaging , Dual Spectrum CHIRP Sonar and internal GPS with Humminbird Basemap. As with all HELIX G4N models, the HELIX 12 includes standard features such as AutoChart Live, Wi-Fi and NMEA 2000®, in addition to Bluetooth® and Ethernet networking for compatibility with the One-Boat NetworkTM family of products from Humminbird, Minn Kota and Cannon.

Humminbird Helix 12 Gen 4 G4N MSI GPS Chartplotter Sonar Sounder Fishfinder with Coastmaster Charts Specifications

- MEGA Side Imaging
455 kHz: 405-505 kHz | 800ft (244m) Side-to-Side
800 kHz: 780-840 kHz | 250ft (76m) Side-to-Side
MEGA: 1050-1175 kHz | 400ft (122m) Side-to-Side

- MEGA Down Imaging
455 kHz: 435-535 kHz | 400ft (122m) Depth
800 kHz: 800-860 kHz | 125ft (38m) Depth
MEGA: 1100-1200 kHz | 200ft (61m) Depth

- Dual Spectrum CHIRP with SwitchFire
Full Mode: 150-220 kHz | 1200ft (366m) Depth
Narrow Mode: 180-240 kHz @ 25° | 3500ft (1067m) Depth*
Wide Mode: 140-200 kHz @ 42°

8000 Watts (PTP), 1000 Watts (RMS)**

- 10 Hz Precision GPS
Built-In Mapping: Humminbird Basemap/AutoChart Live