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SIMRAD 000-13609-001, NAIS-500 class B AIS with GPS-500 GPS antenna

SKU SIMNAIS-500/GPS Categories ,


Reduce your risk of collision with this fully integrated, Class-B AIS transponder – essential for navigating today’s busy shipping lanes and congested ports. Compact in size, lightweight, fully water-proof, with low power draw and featuring multiple connections, the NAIS 500 is ideal for networking with any NSS, NSO, or GO series chart-plotter / multi-function display and Simrad RS VHF system.

Additional information
Weight 3.528 lbs
Item Name

NAIS-500 Class B AIS Transponder with GPS Antenna







5.5 in L x 4 in W x 1.65 in H

Voltage Rating

9.6 to 31.2 VDC

Waterproof Rating


Amperage Rating

2 A at 12 VDC Peak; 180 mA at 12 VDC Average Consumption

Temperature Rating

-15 to 55 deg C Operating

Receiver Type

50-Channel GPS

Bit Rate

9600 b/s +/-50 ppm GMSK, 1200 b/s +/-30 ppm FSK

Channel Bandwidth

25 kHz

Channel Steps

25 kHz


Power, Error, Receiver, Transmitter (Silent Mode)

Modulation Modes

25 kHz GMSK (AIS, Transmitter and Receiver), 25 kHz AFSK (DSC, Receiver Only)

Output Power Sensitivity

33 dBm +/-1.5 dB

RX Sensitivity

<-107 dBm at 20% PER, Co-Channel 10 dB, Adjacent Channel 70 dB, IMD 65 dB, Blocking 84 dB

VHF Transceiver

AIS Transmitter x 1, AIS Receiver x 2 (One Receiver Time Shared Between AIS and DSC)

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