Garmin GT8HW-IF Ice Fishing Transducer

• GT8HW-IF transducer is perfect for ice fishermen who want clear bottom definition under the ice as well as crisp, clear and wide fish arches with excellent target separation. The wider beam width — up to 24 degree beam angle — provides a larger coverage area in the water.
  
  The 4-pin transducer features high wide band CHIRP traditional sonar (150-240 kHz) and has a power rating of 250 W. Its shape and beam widths have been optimized for ice fishing and feature a silicon-coated cable that remains flexible in harsh winter conditions.

Compatable Devices: https://www.garmin.com/en-US/p/636254/pn/010-12462-10/#devices