Channel Spacing 25kHz
12.1 Technical specification
The following technical specification apply to the Ray90
and Ray91.
Environmental specification
Operating
temperature
-20ºC (-4ºF) to +60ºC (140ºF)
Storage
temperature
-25ºC (-13ºF) to +70ºC (158ºF)
Relative humidity
95%
Water proofing
IPx6 & IPx7
Connections
• 1 x SeaTalkng ® / NMEA 2000
• 1 x NMEA 0183 input
• 1 x NMEA 0183 output
• 2 x Handset station
connectors
• 1 x VHF antenna / splitter
connector
• 1 x TNC GNSS (GPS) antenna
connector
• 1 x Loud Hailer connection
Power specification
Nominal supply
voltage
12 V dc (with over voltage
protection)
Operating voltage
range
10.2 V dc to 16 V dc
Current
consumption
• Less than 6 A at high power
(13.6 V)
• Standby: 600 mA
• Receive: 2 A
• Loud hailer: 3 A (8 Ω) / 6 A
(4 Ω)
LEN
1
VHF Transmitter
Channels
All available US, International
and Canadian VHF marine
bands
Frequency Range
156.025 MHz to 157.425 MHz
/ 155.500 MHz to 161.425 MHz
(Private channels)
Frequency stability
+/- 1.5 ppm
Power Output
• Low power setting — 1 W
• High power setting — 25 W
Spurious
emissions
Better than –36 dBm at 25 W
(Less than 0.25 µW)
Maximum
deviation
+/- 5 KHz
Antenna
impedance
50 Ohms (typical)
Receiver
Receiver type
Double conversion super
heterodyne
Channels
All available US, International
and Canadian VHF marine
bands
Frequency range
156.050 MHz to 163.275 MHz
/ 155.500 MHz to 161.425 MHz
(Private channels)
Sensitivity
Better than 1 microvolt EMF @
20dB SINAD
Squelch sensitivity
Less than -2 dBµ EMF
Hum and noise
Better than -40 dB
Audio distortion
Less than 10%
Receiver
sensitivity
• Distance — 119dBm (0.25uV)
@ 12dB SINAD (typical)
• Local — 110dBm (0.7uV) @
12dB SINAD (typical)
Adjacent channel
selectivity
More than 70 dB
Spurious response
rejection
More than 70 dB
Inter modulation
rejection
More than 68 dB
Speakers
External speaker
power output
4 W (8 Ω)
Handset speaker
power output
1 W (16 Ω)
Hailer speaker
power output
24 W (4 Ω)
AIS (Ray91 only)
Class type
AIS receiver only
GNSS
Channels
72
Cold start
29 seconds
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