Instruction Manual

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Specications | NAIS-400 User Manual
Specications
Parameter Value
Dimensions 140 x 100 x 42 mm (L x W x H)
Weight 250 g
Power DC (9.6 V - 31.2 V)
Average power consumption 170 mA at 12 VDC
Peak current rating 2 A
GPS receiver (AIS
internal)
50 channel IEC 61108-1 compliant
Electrical interfaces USB
NMEA 0183 38,400 k Baud (bi-directional)
NMEA 0183 4,800 k Baud (bi-directional)
NMEA 2000 LEN=1
Connections VHF antenna connector (SO-239)
External GPS antenna connector (SMA)
USB type Mini-B
NMEA 2000 standard connector
12 way power input/NMEA 0183/External
switch
VHF transceiver AIS Transmitter x 1
AIS Receiver x 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
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