NAIS-500 class B AIS module only. Broadcast your location to anyone nearby with an AIS Receiver. A low cost safety system for recreational vessels and smaller professional vessels in near coastal waters.
The marine Automatic Identification System (AIS) is a location and vessel information reporting system. It allows vessels equipped with AIS to automatically and dynamically share and regularly update their position, speed, course and other information such as vessel identity with similarly equipped vessels. Position is derived from the Global Positioning System (GPS) and communication between vessels is by Very High Frequency (VHF) digital transmissions.
NAIS500 is a Class B AIS System, intended for non-SOLAS application on recreational and smaller professional vessels in near-coastal regions. For professional vessels, V3100 Class B SOTDMA AIS System is reccomended.
| Dimensions | 152 x 98 x 52 mm (L x W x H) |
| Weight | 260 g |
| Power | DC (9.6 V - 31.2 V) |
| Average power consumption | 180 mA at 12VDC |
| Peak current rating | 2 A at 12 VDC |
| GPS receiver (AIS internal) | 50 channel IEC 61108-1 compliant |
| USB | Mini-B |
| NMEA 0183 | Default 38,400 baud (bidirectional) |
| NMEA 0183 | Default 4,800 baud (bidirectional) |
| NMEA 2000 | Micro-C - LEN=1 |
| VHF antenna connector | SO-239 |
| External GPS antenna connector | SMA |
| USB | Mini-B |
| NMEA 2000 | Standard Micro-C connector |
| I/O | 12 way power input/NMEA 0183/external switch |
| AIS transmitter | 1 |
| AIS receiver | 2 (one receiver time shared between AIS and DSC) |
| Frequency | 156.025 to 162.025 MHz in 25 kHz steps |
| Output power | 33 dBm ± 1.5 dB |
| Channel bandwidth | 25 kHz |
| Channel step | 25 kHz |
| Modulation modes | 25 kHz GMSK (AIS, Tx and Rx) -- 25 kHz AFSK (DSC, Rx only) |
| Bit rate | 9600 b/s ± 50 ppm (GMSK) -- 1200 b/s ± 30 ppm (FSK) |
| RX sensitivity | Less than -107 dBm at 20% PER |
| Co-channel | 10 dB |
| Adjacent channel | 70 dB |
| IMD | 65 dB |
| Blocking | 84 dB |
| Water resistant | IP67 Tested to IEC 60945 'Protected' category |
| Operating temperature | -15ºC to +55ºC |
| Indicators | Power, Error, Rx, Tx (silent mode) |
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