Garmin GT20-TM Transom Mount DownVu 500W (CHIRP 455/800kHz); Traditional 500W (77/200kHz) Transducer w/Temp - 8-Pin [010-01960-01] Paddlesports | VHF - Handheld It sounds an alarm if

It sounds an alarm if there are broadcasts on that channel

Replace your Rupp antenna collar without removing your antenna

5mm plug are included

UPC: 719441100940

Garmin GT20-TM Transom Mount DownVu 500W (CHIRP 455/800kHz); Traditional 500W (77/200kHz) Transducer w/Temp - 8-Pin [010-01960-01] Paddlesports | VHF - Handheld It sounds an alarm ifGT20 TM Transom Mount DownV 500W (CHIRP 455 800kHz); Traditional 500W (77 200kHz) Transducer w Temp 8 Pin Get ultra clear sonar pictures of objects, structure and fish that pass below your boat with this all in one 8 pin transducer. This 20 ft transducer cable with built in fast response temperature sensor has a power rating of 500 W; a depth of 1,900 ft (traditional) and 750 ft (DownV); an operating frequency of 77 200 kHz (traditional) and 455 kHz