This pocket mounted transducer uses very narrow beams and low frequencies and wide beams for high frequencies to send depth and temperature to your Garmin Marine Network.
A pocket version of the R599LH, this 1 to 3 kW bare wire plastic transducer has a maximum depth of 10,000 feet; an operating frequency of 28 to 60 kHz and 150 to 250 kHz; and a beamwidth of 9x23 degrees or a constant 25 degrees. The pocket mount is installation dependent.
Transducer kit comes with installation instructions. Follow the instructions carefully to avoid damaging your boat.