Technical specification — Base station

The following technical specification applies to the Ray90 and Ray91.

Power specification

Specification

Technical specificationRay90 / Ray91Power specification

Nominal supply voltage:

12 V dc (with over-voltage protection)

Operating voltage range:

10.2 V dc to 16 V dc

Fuse requirements:

  • Inline fuse = 10 A

  • Thermal breaker = 7 A

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

Environmental specification

Specification

Technical specificationRay90 / Ray91Environmental specification

Operating temperature:

-25ºC (-13ºF) to +55ºC (131ºF)

Storage temperature:

-25ºC (-13ºF) to +70ºC (158ºF)

Relative humidity:

95%

Water proofing:

IPx6 & IPx7

Connection specification

Specification

Technical specificationRay90 / Ray91Connection specification

Wired handsets:

x 2 via HS1 and HS2 connectors

Wireless hub:

x 1 via Hub connector

GNSS (GPS) antenna:

x 1 via GPS connector (TNC)(

VHF antenna / splitter:

x 1 via VHF connector (50 Ω SO239 )

NMEA 0183 input:

x 1 via bare-ended wires on data cable

NMEA 0183 output:

x 1 via bare-ended wires on data cable

NMEA 2000 / SeaTalk NG:

x 1 via N2K (DeviceNet) connector

Loud hailer:

x 1 via bare-ended wires on data cable.

VHF Transmitter specification

Specification

Technical specificationRay90 / Ray91VHF Transmitter specification

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

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 Ω (typical)

Receiver specification

Specification

Technical specificationRay90 / Ray91Receiver specification

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

GNSS (GPS) specification

Specification

Technical specificationRay90 / Ray91GNSS (GPS) specification

Channels:

72

Cold start:

29 seconds

Receiver IC Sensitivity:

  • Tracking and navigation = -167  dBm

  • Reacquisition = -160 dBm

  • Cold start = -146 dBm

  • Hot start = -156 dBm

GNSS compatibility:

  • GPS

  • GLONASS

  • Beidou

SBAS compatibility:

  • QZSS

  • WAAS

  • EGNOS

  • MSAS

  • GAGAN

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:

20 Hz (20 times per second Concurrent GNSS)

Antenna:

  • External — An external passive antenna is required

Horizontal Position Accuracy:

  • Autonomous = 2.5 m (8.2 ft)

  • SBAS = 2 m (6.56 ft)

AIS (Ray91 only)

Specification

Technical specificationRay90 / Ray91AIS (Ray91 only)

Class type:

Receiver only