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Specifications |
NAIS-400 Instruction Manual
Specifications
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
NMEA0183 38,400 k Baud output
NMEA0183 4,800 k Baud input
NMEA2000 LEN=1
Connections
VHF antenna connector (SO-239)
External GPS antenna connector (TNC)
USB type A plug
NMEA2000 standard connector
12 way power input/NMEA0183/External switch
VHF transceiver
Transmitter x 1
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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