https://marinezoom.com/shop/transducers/garmin-gt52hw-tm-transom-mount/
Garmin GT52HW-TM Plastic, Transom or Trolling Motor Mount Transducer , High Wide CHIRP (150-240 kHz, 250 W)/CHIRP DownVü and CHIRP SideVü (455/800 kHz, 500 W, 12-pin) Model: 010-12405-00 UPC: 753759148614 GT52HW-TM transducer is perfect for freshwater fishermen who want CHIRP traditional sonar and CHIRP DownVü and CHIRP SideVü scanning sonar. This transom mount transducer consistently displays clear and crisp fish arches with superior target separation as well as clear definition of structure below and to the side of the boat. The 12-pin transducer features high wide band CHIRP traditional sonar (150-240 kHz) and has a power rating of 250 W. The CHIRP DownVü and CHIRP SideVü (455/800 kHz) elements have a power rating of 500 W each (1,500 W total). GT52HW-TM is ideal for mounting to a trolling motor due to its compact size. For installation, follow the included instructions carefully to avoid damaging your boat. Specifications Frequencies Traditional: CHIRP 150-240 kHz DownVü: CHIRP 425-485 kHz and CHIRP 790-850 kHz SideVü: CHIRP 425-485 kHz and CHIRP 790-850 kHz Transmit power Traditional: 250 W DownVü: 500 W SideVü: 500 W Maximum depth Traditional: 800 ft DownVü: 500 ft SideVü: 500 ft Beam Width (°) LF/HF (-3dB): Traditional: 24-16 DownVü: 2.0×50@455 1.0×30@800 SideVü: 2.0×50@455 1.0×30@800 Cable length 20 feet Connector 12 pin Temperature Yes Dimensions 155 x 52 x 26 mm What’s in the Box: GT52HW-TM transducer Transom mount Trolling motor mount Mounting hardware Documentation Owners Manual View (pdf)