Garmin GT8HW-TM Transom MountThe Garmin GT8HW TM Transom Mount is a CHIRP depth transducer tailored for shallow water anglers who want crisp bottom detail and wide, easy to read arches. Its durable plastic housing and flexible mounting options make transom or trolling motor installations straightforward across a wide range of boats. Frequency: CHIRP 145 240 kHz Transmit Power: 250 W Max Depth: 800 feet Beam Width: LF 24 HF 16 ( 3 dB) Read Water Temperature: Yes Connection: 8 pin