Humminbird HELIX 15 CHIRP MEGA SI GPS G4N

Description Specification Display Size - Diagonal 15.4" Display Pixel Matrix 1280H x 800V Sonar-Standard Dual Spectrum CHIRP, MEGA Down Imaging , MEGA Side Imaging Sonar-Coverage 20°, 42°, 60°, (2) 86° & (2) 55° @ -10dB Sonar-Optional 50 kHz, 50/Low Airmar CHIRP CHIRP - Frequencies Supported Full Mode (150-220 kHz), Narrow Mode (180-240 kHz), Wide Mode (140-200 kHz) Sonar-Frequencies Supported 50/83/200/455/800 kHz & 1.2 MHz Depth-Sonar 1,200 ft (standard transducer), 3,500 ft (optional Airmar CHIRP) Humminbird Accessory Resource Guide 2022