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Unfortunately Garmin GSD 21 Remote Sounder, CANet, 500w, Dual Frequency 50kHz/200kHz GPS Digital Navigation GA-ND-FCCBDA is no longer carried by OpticsPlanet. You can also explore other items in the GPS category yourself to try and find the perfect replacement for you!

This model of Garmin GPS is discontinued and no longer available. Please, choose from our wide selection of Brunton GPS , Bushnell GPS , Brunton GPS and other GPS on our site.

Garmin GSD 21 Remote Sounder, CANet, 500w, Dual Frequency 50kHz/200kHz GPS Digital Navigation GA-ND-FCCBDA Product Info

The Garmin GSD 21 Remote Sounder, CANet, 500w, Dual Frequency 50kHz/200kHz 010-00502-00 sold by us is an 100% Genuine Garmin Digital Navigation product that comes with a Garmin manufacturer's warranty. Garmin GSD 21 Remote Sounder, CANet, 500w, Dual Frequency 50kHz/200kHz 010-00502-00 will fulfill all of your specific needs as Garmin products are trusted and considered to be the best GPS navigation systems all around the world. Buying a Garmin GSD 21 Remote Sounder, CANet, 500w, Dual Frequency 50kHz/200kHz 010-00502-00 from us means getting the best price and purchasing from a trusted source - we're an Authorized Garmin Dealer for all Garmin handheld, marine, and auto GPS receivers as well as running and cycling GPS watches, fishfinders, radios, and hundreds of Garmin GPS Accessories, software and maps.

The GSD 21 analog sounder adds detailed sonar data to your compatible Garmin chartplotter.

Connect with CANet™

This black-box sounder connects directly to your chartplotter with a serial cable. To take advantage of UltraScroll™, which provides lightning-fast refresh rates, connect the GSD 21 to your chartplotter with CANet, Garmin's 1-megabit proprietary network.

Get Great Shallow and Deep-Water Performance

The high-dynamic range sounder provides exceptional performance in water as shallow as one foot to depths as great as 1,500 feet. The GSD 21 can connect to dual-frequency transducer (50/200 kHz) for deep-water performance and 500 watts of transmit power, or a dual-beamwidth transducer (narrow/wide) for operation in shallow freshwater as well as deep water and a transmit power of 400 watts.

GSD 21: Puts eyes in the bottom of your boat

Please note: This product does not include a transducer. Garmin offers a complete selection of transducers that you can purchase separately as accessories.

Garmin GSD 21 Remote Sounder, CANet, 500w, Dual Frequency 50kHz/200kHz 010-00502-00 Digital Navigation Package Contents:

  • GSD 21
  • CANet cable
  • Power/data cable
  • Installation instructions

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Garmin GSD 21 Remote Sounder, CANet, 500w, Dual Frequency 50kHz/200kHz GPS Digital Navigation GA-ND-FCCBDA Unorderable Models

Garmin GSD 21 Remote Sounder, CANet, 500w, Dual Frequency 50kHz/200kHz GPS Digital Navigation GA-ND-FCCBDA, MPN: 010-00502-00, UPC: 753759052232, Code: GA-ND-FCCBDA-010-00502-00

Garmin GSD 21 Remote Sounder, CANet, 500w, Dual Frequency 50kHz/200kHz GPS Digital Navigation GA-ND-FCCBDA Comments