Ray53 VHF Radio

Raymarine

Communication

MARINE VHF RADIO

E70524

Description

Raymarine's Ray53 radio is small in size but big on features and performance. The Ray53 is a fully functional marine VHF radio with Class D Digital Selective Calling (DSC) and a built-in GPS receiver.

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 NMEA 0183 • 1 x SeaTalkng ® / NMEA 2000 • 1 x Audio (RCA) • 1 x GNSS (GPS) antenna (TNC)

Power specification

Nominal supply voltage

12 V dc (Reverse polarity and over voltage protection)

Operating voltage range

9 V dc to 16 V dc

Current consumption

• Less than 6 A at high power (13.6 V) • Standby: 600 mA • Receive: 2 A

Transmitter

Channels

All available US, International and Canadian VHF marinebands

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

25 kHz

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

Base station speaker power output

2.5 W (8 Ω)

Fistmic speaker power

1 W (16 Ω)

External speaker power

5 W (8 Ω)

GNSS (GPS)

Channels

Cold start

< 2 minutes

Receiver IC Sensitivity

–167 dBm (Tracking) / –148 dBm (Acquisition)

GNSS compatibility

• GPS • GLONASS • * Beidou

SBAS compatibility

• WAAS • EGNOS • MSAS

Special features

Active Jamming and Interference Reduction

Operating frequency

• GPS L1 C/A • GLONASS L10F • Beidou B1

Signal Acquisition

Automatic

Almanac Update

Automatic

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

Position Accuracy

• Without SBAS: <= 15 metres 95% of the time • With SBAS: <= 5 metres 95% of the time