ACU-150 & ACU-400 product recall
Find out moreSmall but mighty. The Compact Ray 53 Class D VHF incorporates DSC and an internal GPS receiver.
Raymarine’s Ray53 radio is big on features and performance. Ray53 is a VHF marine radio with Class D Digital Selective Calling (DSC) and internal GPS receiver. Simply program your boat’s MMSI number into the Ray53 and immediately benefit from the enhanced calling and safety features of DSC.
| 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 |
| 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) |
| 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 |
| 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) |
| 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 | 72 |
| Cold start | < 2 minutes |
| Receiver IC Sensitivity | –167 dBm (Tracking) / –148 dBm (Acquisition) |
| GNSS compatibility | • GPS |
| SBAS compatibility | • WAAS |
| Special features | Active Jamming and Interference Reduction |
| Operating frequency | • GPS L1 C/A |
| 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 |
| Position Accuracy | • Without SBAS: <= 15 metres 95% of the time |
| 1 | VHF Radio |
| 2 | Suncover |
| 3 | Panel mount gasket |
| 4 | Mounting bracket (Trunnion) |
| 5 | Mounting bracket knobs |
| 6 | Fistmic hook plate |
| 7 | 4 x M4x25 screws (For Bracket (Trunnion) mounting) |
| 8 | Documentation |
| 9 | 4 x M4 nuts, spring washers and M4x25 machine screws (For Panel mounting) |
| 10 | Protective antenna boot |
| 11 | 2 x M4x12 screws (For Fistmic hook plate mounting) |
| 12 | SeaTalkng blanking plug |
| 13 | SeaTalkng 400 mm (15.7 in.) spur cable |
