Garmin
Garmin GT51M-TM 12 Pin Transom Mount Transducer
Weight: 2.47 lbs. (1.12 kg). Cable length: 30’. Number of pins on connector: 12. Dimensions: Transducer: 9.0 x 2.5 x 1.2 in (228 x 62 x 30 mm). Frequency: Traditional: CHIRP 80-160 kHz, DownVü: CHIRP 245-275 kHz and CHIRP 445-465 kHz, SideVü: CHIRP 245-275 kHz and CHIRP 445-465 kHz. Max Depth: Traditional: 1,800 ft, DownVü: 1,000 ft, SideVü: 750 ft.