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SIMRAD, NAIS-500 (Class B transceiver)

$1,000.00Earn 1,000 points!

The NAIS-500 provides added security when you’re navigating busy ports, at night or in conditions of limited visibility. Compact in size, lightweight, fully waterproof, with low power draw and featuring multiple connections, the NAIS 500 is ideal for networking with any NSS, NSO, or GO series chartplotter/multifunction display and Simrad RS VHF system.

  • Send and Receive: The NAIS 500 ensures that you are seen and can see on the water by sending a signal to other vessels with your navigational data, whilst you receive data from other vessels. This allows you to plan any necessary avoidance actions well in advance.
  • Integrated Solution: Networks with your NSS, NSO, or GO series chartplotter / multi-function display and your marine VHF radio for a fully integrated system.
  • Multiple Networking Connections: Compatible with NMEA 2000, NMEA 0183, NMEA 0183 multiplexing and USB.
  • Low Power Consumption: Ideal for sailboats or power boats, the NAIS 500 features a low average power consumption of 180 mA at 12V DC.

Technical Specification

📊 GENERAL SPECIFICATIONS

  • AIS Class: Class B (CSTDMA)
  • Type: Transceiver (Transmit + Receive)
  • Transmit Power: 2 Watts
  • Channels:
    • 1× Transmit
    • 2× Receive (dual-channel AIS)

⚡ ELECTRICAL

  • Supply Voltage: 9.6 – 31.2 V DC
  • Average Power Consumption: ~180 mA @ 12V
  • Max Power Consumption: ~2 A @ 12V

📡 RADIO / AIS PERFORMANCE

  • Frequency Range: 156.025 – 162.025 MHz
  • Channel Spacing: 25 kHz
  • Modulation:
    • AIS: GMSK (9600 bps)
    • DSC: AFSK (1200 bps)
  • Receiver Sensitivity: < -107 dBm

🔌 INTERFACES & CONNECTIVITY

  • NMEA 2000 (LEN=1)
  • NMEA 0183 (bidirectional)
    • 38,400 baud
    • 4,800 baud
  • USB (Mini-B / Micro-B depending on version)
  • External GPS antenna (SMA connector)
  • VHF antenna connector (SO-239 / PL-259)

📐 PHYSICAL

  • Dimensions: 152 × 98 × 52 mm
  • Weight: ~260 g
  • Design: Black-box (no display)

🌊 ENVIRONMENTAL

  • Waterproof Rating: IP67 / IPX7
  • Operating Temperature: -15°C to +55°C
  • Compliance: IEC 60945 (marine standard)

🛰️ GPS & SYSTEM

  • GPS: External antenna required (e.g., GPS-500)
  • GPS Receiver: ~50-channel compatible

🔔 INDICATORS / STATUS

LED indicators for:

  • Power
  • Error
  • RX (receiving)
  • TX (transmitting / silent mode)

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NAIS-500_UM_EN_988-11240-002

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