xSonic TM185M Transom Mount TransducerAs Chirp continues to redefine recreational fishing, AIRMAR has expanded the lineup of single band transducers to satisfy the growing demand for this game changing technology. The TM185M, an economical Chirp transducer, is designed for offshore fishing and freshwater anglers. Operating at a frequency range of 85-135 kHz, these transducers reveal fish in shallow, murky waters at medium depths (up to 1,500 feet*) along with ultra-clear target resolution.Designed for smaller boats up to 25', the TM185M is available as a transom-mount transducer.Features: Depth & Temperature; Chirp Technology; 1 kW; High-Performance; Urethane Housing; Exclusive Transducer ID Weight: 0.45 kg (1.1 lb); Hull Deadrise: 2 to 20; Acoustic Window: Urethane; ; - cis2:mm5mnJlm -Quick Guide (pdf)Owner's Manual (pdf)