Garmin GT21-TM Transom Mount Transducer, Traditional 600W,CHIRP 500W, 455kHz 18 Amp Hour The RDS SR-Series PRO offers

The RDS SR-Series PRO offers the same great styling and functional advantages as the RDS-Series in a more streamlined package

Advanced QoS (Quality of Service) for traffic prioritization including port-based

300 mAh battery is removable for easy charging

Multi-Depth Compartments

Up To 16 Consistent Shots Per Fill

Garmin GT21-TM Transom Mount Transducer, Traditional 600W,CHIRP 500W, 455kHz 18 Amp Hour The RDS SR-Series PRO offersGT21 TM Transom Mount Transducer, Traditional 600W, 50 200kHz, ClearV CHIRP 500W, 260 & 455kHz Perfect for coastal and offshore fishermen who want traditional sonar and CHIRP ClearV 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 the boat. The CHIRP ClearV element has a power rating of 500W and operating frequencies of 260 455