Raymarine RAY53 Installation & Operation Instructions page 91

Transmitter
Channels All available US, International
and Canadian VHF marine
bands
Frequency Range 156.000 MHz to 157.425 MHz
/ 155.500 MHz to 161.425 MHz
(Private channels)
Frequency stability +/- 1.5 ppm
Channel Spacing 12.5 kHz
Power Output • Low power setting — 1 W
• High power setting — 25 W
Spurious Better than –36 dBm at 25 W
emissions (Less than 0.25 µW)
Maximum +/- 5 kHz
deviation
Antenna 50 Ohms (typical)
impedance
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%
Technical specification
81381-1-Ray53_63_73_Install_and_Ops_PRINT.pdf 91
Receiver • Distance — 119dBm (0.25uV)
sensitivity @ 12dB SINAD (typical)
• Local — 110dBm (0.7uV) @
12dB SINAD (typical)
Adjacent channel More than 70 dB
selectivity
Spurious response More than 70 dB
rejection
Inter modulation More than 68 dB
rejection
Speakers
Base station 2.5 W (8 Ω)
speaker power
output
Fistmic speaker 1 W (16 Ω)
power output
External speaker 5 W (8 Ω)
power output
Handset speaker
1 W (16 Ω)
power output
Hailer speaker 25 W (4 Ω) / 12 W (8 Ω)
power output
AIS
Class type AIS receiver only
GPS
Channels 72
Cold start < 2 minutes
Receiver IC –167 dBm (Tracking) / –148 dBm
Sensitivity (Acquisition)
GNSS • GPS
compatibility
• GLONASS
• * Beidou
SBAS • WAAS
compatibility
• EGNOS
• MSAS
Active Jamming and Interference
Special features
Reduction
Operating • GPS L1 C/A
frequency
• GLONASS L10F
• Beidou B1
Signal Automatic
Acquisition
Almanac Automatic
Update
Geodetic Datum WGS-84 (alternatives available
through Raymarine MFD)
Refresh Rate
10 Hz (10 times per second
Concurrent GNSS)
Antenna • Internal — Ceramic chip
mounted near top of unit
• External — Passive antenna
connection via TNC connector
• Without SBAS: <= 15 metres
Position
Accuracy 95% of the time
• With SBAS: <= 5 metres 95%
of the time
6/13/2018 2:30:13 PM
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