Garmin AIRMAR B744V TriducerGarmin AIRMAR B744V Triducer The only thru hull transducer that offers depth, speed and temperature in one package, this 8 pin 600 W triducer has a depth of 800 to 1,200 ft; an operating frequency of 50 to 200 kHz; a beamwidth of 45 to 12 degrees; and a 0 to 24 degree deadrise. Transducer kit comes with installation instructions. Follow the instructions carefully to avoid damaging your boat. When using with a 6 pin Garmin sounder, transducer adapter