NAIS 500 AIS Transceiver with NSPL500 Kit and GPS Antenna

The NAIS 500 from Simrad is a compact, fully integrated Class B AIS transceiver designed to keep you seen and safe in crowded waters. Paired with the NSPL500 VHF/AIS antenna splitter and the GPS500 antenna, this all-in-one solution delivers precise position reporting and seamless networkability for small to midsize vessels operating near coastlines.

What makes the NAIS 500 unique

• Transmit your location, vessel size, and heading to nearby ships while receiving AIS data from others for proactive collision avoidance.
• Integrated solution Combines transceiver, GPS antenna, and antenna splitter in a single, tidy package. Network effortlessly with your MFD display and marine VHF radio for a unified navigation and safety system.
• Comprehensive connectivity Supports NMEA 2000®, NMEA 0183® multiplexing, and USB, enabling plug‑and‑play integration with most modern MFDs and VHF setups.
• Low power, high efficiency Optimized for sailboats and powerboats alike, with a low average current draw of 180 mA at 12 VDC and a compact 180 g–plus design footprint.
• Rugged, marine-ready build IPX7 waterproof rating ensures reliable operation in spray, rain, or brief immersion, while weighing just about 250 grams for easy installation aboard small craft.
• Ready-to-go kit Includes NSPL500 VHF/AIS antenna splitter, GPS500 antenna, a 1.8 m (6 ft) Micro-C cable, and a T connector for straightforward, ship‑wide deployment.

Key features and benefits

Integrated safety and navigation The NAIS 500 actively broadcasts your AIS data while receiving others, enabling you to chart safe passage and plan avoidance maneuvers well in advance—critical in busy shipping lanes and crowded ports.

Compact, lightweight design Weighing only ~250 g, with a rugged enclosure, the NAIS 500 fits discreetly in engine rooms, cockpits, or cabinets without adding bulk to your vessel’s electronics stack.

Flexible networking The ability to connect with an MFD, VHF radio, and other NMEA devices via 2000/0183 and USB creates a cohesive onboard ecosystem, reducing setup time and potential wiring headaches.

Power‑efficient operation A steady, modest 180 mA draw at 12 VDC means you can keep AIS telemetry active on extended coastal cruises without excessive battery drain.

Ideal for who and where

The NAIS 500 is tailor-made for recreational mariners and smaller professional crews navigating near-coastal waters, bays, and harbors where traffic density demands constant situational awareness. It’s particularly well-suited for:\n

• Day‑sailors and weekend cruisers seeking dependable “see and be seen” safety.
• Coastal commercial operators and fishing boats needing a cost‑effective AIS presence without a bulky system.
• Vessel owners upgrading from standalone AIS receivers to a fully integrated navigation network.

How it helps you navigate better

• Reduce collision risk With real‑time AIS data from nearby vessels, you can anticipate potential conflicts and execute safer, well‑timed maneuvers.
• Streamlined operations An integrated system minimizes clutter and simplifies maintenance, giving you more time focusing on the voyage.
• Future‑proof connectivity NMEA 2000®, NMEA 0183®, and USB compatibility keeps your setup adaptable as new MFDs and accessories enter the market.

What you get and how to use

The package includes the NAIS 500 AIS transceiver, NSPL500 VHF/AIS antenna splitter, GPS500 antenna, a 1.8 m (6 ft) Micro-C cable, and a T connector—covering both timing and signal integrity for reliable position transmissions. A user manual is available for detailed setup and operation, helping you translate the hardware into a practical, coast‑ready network.

Why choose Simrad's NAIS 500

Simrad brings decades of marine electronics expertise to this compact, purpose-built AIS transceiver. It’s designed to deliver dependable performance in real‑world conditions, with an emphasis on ease of use, seamless integration, and budget-friendly safety for near‑coastal operations. If you’re building or upgrading a vessel’s navigation stack, the NAIS 500 offers a cohesive, ship‑wide AIS solution that pairs naturally with modern displays and VHF systems.