Lowrance PD-WBL Trolling Motor Mount Transducer - 000-0106-73Lowrance PD WBL Trolling Motor Mount Transducer 000 0106 73 PD WBL 83 200 kHz shoot thru or trolling motor mount transducer. Depth only. Cable Length 6m (20ft) The dual frequency PD WBL includes a single ceramic element delivering both 83 kHz with a 52 beam width and 200 kHz with a 22 beam width. 83 kHz low frequency operation offers a maximum operational depth of 300 m (1000 ft), while 200 kHz high frequency provides higher resolution fish arches and