The Airmar Technologies M175 Survey Transducer (MPN: M175-DO-33) is a specialized sonar device engineered for marine surveying and deep-water applications. It features a seamless, SEALCAST™ urethane housing, providing durability for prolonged underwater use. Designed for versatility, this transducer can be mounted externally or adapted for portable configurations. It incorporates highly efficient ceramic-element arrays capable of handling up to 3 kW of power, operating with low-frequency options such as 12 kHz, 24 kHz, and 28 kHz, and additional options for 120 kHz, 200 kHz, or 1 MHz. Beamwidth varies by frequency (e.g., 42° at 12 kHz, 20° at 24 kHz). The M175 is suitable for detailed seabed topography mapping, channel dredging, submarine pipeline inspection, and exceptional deep-water fishfinding. It is supplied with a 10-meter cable and without a connec