Raymarine’s Ray53 radio is small in size but big on features and performance. Ray53 is a full-function VHF marine radio with Class D Digital Selective Calling (DSC) and a built-in GPS receiver. Simply program your boat’s MMSI number into the Ray53 and immediately benefit from the enhanced calling and safety features of DSC.
| Enviromental Specifitcations |
| Operating Temperature |
-20 C (-4 F) to +60 C (140 F) |
| Storage Temperature |
-25 C (-13 F) to +70 C (158 F) |
| Relative Humidity |
95% |
| Water Proofing |
IPx6 & IPx7 |
| Connections |
1x NMEA 0183
1x SeaTalkng ® / NMEA 2000
1x Audio (RCA)
1x GNSS (GPS) antenna (TNC) |
| Power |
| Nominal Supply Voltage |
12 V dc (Reverse polarity and over voltage protection) |
| Operating Voltage Range |
9 Vdc to 16 Vdc |
| 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 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 missions |
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 70 dB |
| GPS |
| Channels |
72 |
| 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 |
