Dual Spectrum CHIRP frequencies :
- Full: 150-220 kHz
- Narrow: 180-240 kHz
- Wide: 140-200 kHz
- 365 m (1200 ft)
- Max Range (side-to-side): 455kHz: 440-500 kHz – 146m (800 ft)
- MEGA SI: 1075-1150 kHz – 76 m (250 ft)
- Max Depth: 455kHz: 440-500 kHz – 38 m (125 ft)
- MEGA DI: 1075-1150 kHz – 23 m (75 ft)
- HELIX 7 CHIRP MEGA SI GPS G3
- HELIX 7 CHIRP MEGA SI GPS G3N















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