Garmin GT22HW-TM Transom Mount TransducerThe Garmin GT22HW TM Transom Mount Transducer is a compact, all in one dual CHIRP sonar solution designed for freshwater anglers who want both traditional sonar and DownV scanning in a single, easy to mount package. Its flexible transom or trolling motor mounting makes it a versatile choice for boats with limited space. Dual CHIRP sonar system: Combines traditional CHIRP 150 240 kHz with 250 W transmit power and DownV scanning at 455 800 kHz with 500