Gemeco R509 Broadband CHIRP, Ext, No Conn, D/T - Special Order - GEM-R509C-LHGemeco R509 Broadband CHIRP, Ext, No Conn, D/T - Special Order - GEM-R509C-LH
R509 Depth transducer, MFG# R509C-LH, Low freq. band: 28-75KHz, Hi freq. band: 130-210KHz. Temperature sensor, R209 style external mount with hi-speed fairing block. No connector. For use with sounder modules using broadband CHIRP technology.