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Airmar DST820-PV-N2 PSTI Plastic Thru-Hull w/Bluetooth 235kHz [DST820-PV-N2]

Airmar • Transducers

Airmar DST820-PV-N2 PSTI Plastic Thru-Hull w/Bluetooth 235kHz [DST820-PV-N2]

Transducers
$437.60$489.99Save $52.39

DST820-PV-N2 PSTI Plastic Thru-Hull with Bluetooth 235kHz: The DST820 Smart Multisensor is the next evolution of Airmar’s industry-leading technology, replacing the DST810 and introducing PSTI compliance for enhanced onboard network security. With its secure QR-code setup, connecting your DST820 has never been easier—or safer.

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In stock — ships today if ordered by 2 PM ET

About the transducer.

DST820-PV-N2 PSTI Plastic Thru-Hull with Bluetooth 235kHz: The DST820 Smart Multisensor is the next evolution of Airmar’s industry-leading technology, replacing the DST810 and introducing PSTI compliance for enhanced onboard network security. With its secure QR-code setup, connecting your DST820 has never been easier—or safer. Simply scan the QR code and enter a one-time security password on your mobile device to protect your sensor on the network. Featuring Airmar’s high-performance Gen2 paddlewheel, the DST820 delivers unmatched speed-through-water accuracy— providing precise start-up data below 0.3 knots, linear accuracy from 0.6 knots, and stable, reliable readings all the way up to 45 knots. Whether you’re a day sailor, weekend cruiser, or tactical racer, accurate speed-through-water (STW) data helps you fine-tune sail trim and rig balance for maximum performance. For racers, precise STW readings enable accurate velocity made good (VMG) and target speed calculations, ensuring every tactical decision is data-driven. Together, the DST820 and Airmar’s CAST™ app make speed calibration simpler than ever. The free CAST app provides powerful calibration tools—once only available through costly PC-based software—now instantly accessible from your smartphone or tablet. Choose from basic or advanced calibration options to suit your needs. Beyond speed, the DST820 measures depth and water temperature, and provides a 5.7 Hz (5× per second) speed output with improved resolution. Its integrated attitude sensor delivers heel and trim data, enabling heel-compensated speed calibration across multiple heel angles and speed ranges—fast, intuitive, and completely independent of onboard instruments. With depth tracking from 0.5 m (1.6 ft) to 100 m (328 ft), the DST820 also provides reliable depth data to help ensure you never run aground. The result: industry-leading speed accuracy, wireless calibration convenience, and next-generation security—all in one powerful, compact sensor. Features:: Quick Guide (pdf) Owner's Manual (pdf) Brochure (pdf)

  • The DST820 is fully compliant with UK PSTI security standards, ensuring that the connection between DST820 and a mobile device is secure.
  • The industry’s best speed paddlewheel – DST820 features the Gen2 paddlewheel for industry-leading speed performance from 0.3 knots to 45 knots.
  • Smoother Speed – 5.7 Hz speed output (5X per second) for visibly smoother speed-through-water reporting and faster data for better decision making when every second counts.
  • Integrated Attitude Sensor – For heel and trim, and used in advanced speed calibration.
  • DST820 secure Bluetooth® connectivity to Airmar’s CAST app provides the ability to:
  • Calibrate the DST820 in a simple, intuitive way from your mobile device.

Product specifications

Full specifications are being added. Call the Field Desk at (704) 709-5290 for details on this item.

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The DST820 is fully compliant with UK PSTI security standards, ensuring that the connection between DST820 and a mobile device is secure.

Engineered and field-tested with Airmar. Airmar gear, chosen and stocked by the Bucks & Bass Field Desk.

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The industry’s best speed paddlewheel – DST820 features the Gen2 paddlewheel for industry-leading speed performance from 0.3 knots to 45 knots.

Engineered and field-tested with Airmar. Airmar gear, chosen and stocked by the Bucks & Bass Field Desk.

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Smoother Speed – 5.7 Hz speed output (5X per second) for visibly smoother speed-through-water reporting and faster data for better decision making when every second counts.

Engineered and field-tested with Airmar. Airmar gear, chosen and stocked by the Bucks & Bass Field Desk.

Fit notes

Runs true to size with room for a midweight layer underneath. If you are between sizes and plan to layer heavily, size up. Field Desk staff can confirm fit by phone or chat before you order.

Size chart

SizeChestWaistSleeve
S35–3729–3132.5
M38–4032–3433.5
L41–4335–3734.5
XL44–4638–4035.5
2XL47–4941–4336.5

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Free standard shipping

Orders over $75 ship free in 3–5 business days. Orders placed before 2 PM ET ship the same day.

Easy 30-day returns

Unused gear in original packaging can be returned within 30 days for a full refund. We email a prepaid label.

Warranty handled for you

Full Airmar manufacturer warranty. Our Warranty Center manages the claim so you do not have to chase the brand.

Complete the system

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Bundle & save

Add the two most-paired items and save 10%.

Airmar DST820-PV-N2 PSTI Plastic Thru-Hull w/Bluetooth 235kHz [DST820-PV-N2] + Furuno 520-IHD Plastic In-Hull Transducer, 600w (10-Pin) [520-IHD] + Furuno 525T-BSD Bronze Thru-Hull Transducer w/Temp, 600W (10-Pin) [525T-BSD]

$887.59$798.83
$437.60Airmar DST820-PV-N2 PSTI Plastic Thru-Hull w/Bluetooth 235kHz [DST820-PV-N2]