XNT-9-DI-T transducer:

2D (conventional) sonar:
16 degrees at 455kHz, area covered = 0.28 X water depth
25 degrees at 200kHz, area covered = 0.44 X water depth

DI sonar:
45 degrees at 800kHz, area covered = 0.83 X water depth
75 degrees at 455kHz, area covered = 1.53 X water depth