GARMIN FISHFINDER BLACKBOX GSD 21

• New analog receiver
• Adds sounder capabilities to your Garmin chartplotter
• Connects through NMEA/Serial or CANet
• Fast sounder display scrolling with Ultrascroll technology
• Delivers excellent target and bottom definition
• 500 watts analog (RMS) power with dual frequency transducer, 1500 maximum depth
• Size: 17H x 12.2W cm
• Compatibility : GPSMap 292/298 & 2106C/2110C (CANnet), any Garmin chartplotter with NMEA/Serial connections