This product is either discontinued or we cannot get that from suppliers.
GARMIN 010-11927-21 Airmar B150m (12 Degree Tilt), Frequency (kHz) 95/155, Power (W) 300, Beam Width (Deg.) LF/HF (-3dB) 26/17, Max. Depth (ft.) 750, Depth/Speed/Temp D/T, # of Pins 8, Cable Length (ft.) 39, Supported Deadrise/Transom Angles 8-15 Deg. Deadrise.
Our entry level CHIRP solution provides good depth capability and target separation. This 8-pin 300 W bronze thru-hull mount transducer has a depth of 1,500 ft; an operating frequency of 95-155 kHz; a beamwidth of 26/17 degrees; and a 8 to 15 degree deadrise.