Airmar
Airmar UDST800 Smart, N2K, Bronze HSG, DST [UDST800B-N2]
Airmar UDST800 Smart, N2K, Bronze HSG, DST [UDST800B-N2]
Get it between June 09 and June 11.
Low in stock
✓ Used by Hundreds of Customers
✓ Trusted by Sailors Nationwide
✓ Expert Customer Service
✓ Bulk Pricing Available
At MarineXGear, we are proud to have the best refund and return policies in the industry. If you’re not satisfied with your purchase for any reason, you may return it to us within 30 days for a refund.
If you have a problem with our order (there are missing components, damages, or the product is not functioning), please reach out to us as quickly as possible. Some of the problems can be resolved by going through the product manual or the product FAQs.
Refer to our Refunds & Return Policy for more details.
Order Processing
Once we receive your order, we will send you a confirmation email. Then we will process the order by confirming that the product is in stock and ready for shipment. If any of the items in your order are back-ordered, we will reach to you via email or phone and you may choose to either wait or receive a 100% refund.
Please allow 1-3 days for processing your order.
Shipping
We ship to the lower 48 continental United States only at this time.
Shipping times and shipping method will depend on the specific product and brand you purchase. If you have any shipping question, feel free to ask on the chat or email us at info@marinexgear.com.
We will send tracking information by email the same day the shipping tracking number is created/available.
Before you sign the shipping bill, please THOROUGHLY INSPECT YOUR ITEM. Signing for the receipt of a damaged product removes the liability of the shipping company and MarineXGear. Once you accept your shipment as non-damage, your item is your property.
![Airmar UDST800 Smart, N2K, Bronze HSG, DST [UDST800B-N2]](http://marinexgear.com/cdn/shop/files/106560XL.jpg?v=1776317163&width=150)
Airmar UDST800 Smart, N2K, Bronze HSG, DST [UDST800B-N2]
Ships Direct From Manufacturer
UDST800 Smart, N2K, Bronze HSG, DST
Airmar’s patented UDST800 just turned your maintenance time into more cruising time—and made your boat smarter too. Get ultrasonic speed, depth, and temperature in a single-thru-hull housing with no moving parts. Say goodbye to paddlewheel maintenance and hello to Smart™ technology, from the company who invented the Smart™ Sensor.
Features:
- Ultrasonic speed, depth, and fast-response water-temperature sensing
- Single housing with no moving parts—no paddlewheel
- Precise readings at high speeds are ideal for powerboats, cruising, and sailing
- Advanced filtering and sampling rates for increased accuracy at all speeds
- Adapts automatically to boat speed, water depth, and water clarity, keeping speed accuracy consistent
- 235 kHz frequency prevents interference with other echo sounders on the vessel
- Retractable plastic insert in a low-profile plastic housing with water valve
- Also available in a bronze (B617V) or stainless steel (SS617V) housing
- Retrofits into Airmar’s P617V, B617V or SS617V housing
- Airmar's Smart™ Sensor technology
Specifications:
- Functions: Depth, Speed, Temperature
- Mounting Style: Low Profile Thru-Hull
- Power Rating: N/A
- Protocol Output: NMEA 2000®
- Housing: Plastic
- Hull Material: Fiberglass or metal
- Hole Size: 51 mm (2"), Stainless steel housing in metal hull—57 mm (2-1/4")
- Retractable housing: Yes
- Acoustic Window: Urethane
- Cable-Length: 6 m (20') NMEA 2000® cable
- Common Use: Cruising/Racing Sailboats, Leisure/Yachting, Fishing
- Data Rate: Up to 10 times per second
- Max Depth: 0.6 m (2') to 100 m (330')
- NMEA 2000 LEN: 8
- Retrofits: Retrofits into AIRMAR P617V
- Speed Range: 0.1 to 50 knots (0.1 to 57 MPH)
- Temperature Accuracy: ±0.5°C (±1.8°F)
- Tilted Element: No
- Usable Shaft Length: 57 mm (2.25")
- Voltage: 9 to 16 VDC
- Water Temperature: -10° to 40°C (14° to 104°F)
- Weight: 1.4 kg (3 lbs)
This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
Why Choose MarineXGear
At MarineXGear, we believe true peace of mind on the water starts with having the right equipment. Our mission is simple: to be the trusted destination for premium marine gear and dependable on-water solutions. Every product we carry — whether navigation systems, safety equipment, marine electronics, or boat accessories — is carefully chosen to help you perform at your best, stay safe, and get the most out of every voyage.
A+ Customer-First Approach
We're more than an online store — we're your partner on the water. Unlike large, impersonal retailers, our dedicated team delivers personalized guidance at every step. Whether you're outfitting a vessel for the first time, upgrading your gear, or need expert advice on a specific product, our specialists are always just a call or email away.
Passion for Wellness & Resilience
Our brand is built on a genuine love for the sea. We live and breathe marine equipment — and when you reach out to MarineXGear, you'll connect with experts who understand both the technical specs of our products and the on-water lifestyle they support.
Trusted Experts, Curated Brands
We partner directly with the most respected names in the marine industry. Our curated selection ensures every product meets our high standards for quality, durability, and performance on the water. With MarineXGear, you shop with confidence, knowing you're investing in proven gear backed by full manufacturer warranties.
More Reasons to Choose MarineXGear
- Price Match Guarantee – We’ll match any competitor to ensure you always receive the best value.
- Free Shipping – Enjoy free delivery on most orders across the lower 48 U.S. states.
- 100% Secure Ordering – Our platform uses SSL encryption to protect your information.
- Exclusive Packages & Volume Discounts – Customized solutions available for clinics, wellness centers, and large orders.
- Authorized Dealer – Every order is protected with full manufacturer support and warranties.
At MarineXGear, we're committed to keeping you safe, equipped, and confident on the water. With our expertise, personalized service, and carefully curated selection, you can invest in your vessel and your adventures with complete peace of mind.
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