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Raymarine Ray73 is a premium, full-sized marine VHF radio with built-in GPS, Class D DSC, and integrated AIS receiver. Designed for serious boaters, it delivers powerful communication and complete situational awareness on the water.Raymarine Ray73 VHF Marine Radio- DescriptionThe Raymarine Ray73 is an all-in-one communication powerhouse that combines VHF, AIS, GPS, and DSC technology in a single, rugged unit. Engineered for commercial vessels and advanced recreational boats, Ray73 enhances marine safety, navigation awareness, connectivity and communications through its modern feature set and seamless system integration. 
 Built-in AIS Receiver for Situational Awareness The Ray73 includes a built-in AIS receiver that allows you to see the positions and details of nearby AIS-equipped vessels directly on your compatible chartplotter or MFD, helping avoid collisions and improving navigation safety. Expandable Control with RayMic Support Control your VHF from multiple locations using up to two optional RayMic remote handsets—ideal for larger boats with multiple helm stations or enclosed cabins. Seamless Integration with Onboard Electronics The Ray73 is versatile and fully compatible with both NMEA 2000 and NMEA 0183 networks, allowing easy integration with your Raymarine MFD, autopilot, and other essential systems. Rugged, Marine-Grade Design Designed to perform in the toughest marine environments, Ray73 features waterproof construction, corrosion resistance, and a removable fistmic for versatile mounting options. Raymarine Ray73 VHF Marine Radio - Key Features
 Raymarine Ray73 VHF Marine Radio - What's in the Box
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| Feature | Details | 
| Nominal Voltage | 12 V DC | 
| Operating Voltage Range | 9–16 V DC | 
| Power Consumption | <6 A (Transmit), 2 A (Receive), 600 mA (Standby) | 
| Speaker Type | Output | 
| Base Unit Speaker | 2.5 W @ 8 Ω | 
| Fistmic Speaker | 1 W @ 16 Ω | 
| External Speaker | 5 W @ 8 Ω (via RCA audio output) | 
| Feature | Details | 
| Receiver Type | Double conversion superheterodyne | 
| Frequency Range | 156.050–163.275 MHz | 
| Channel Coverage | US, International, Canadian marine VHF bands | 
| Sensitivity | >1 µV EMF @ 20 dB SINAD | 
| Squelch Sensitivity | < –2 dBµ EMF | 
| Adjacent Channel Selectivity | >70 dB | 
| Spurious Response Rejection | >70 dB | 
| Intermodulation Rejection | >68 dB | 
| Audio Distortion | <10% | 
| Feature | Details | 
| Frequency Range | 156.000–157.425 MHz / 155.500–161.425 MHz (Private) | 
| Channel Spacing | 25 kHz | 
| Frequency Stability | ±1.5 ppm | 
| Power Output | 1 W (Low) / 25 W (High) | 
| Spurious Emissions | < –36 dBm @ 25 W | 
| Max Frequency Deviation | ±5 kHz | 
| Antenna Impedance | 50 Ohms (typical) | 
| Feature | Details | 
| GPS Channels | 72 | 
| Cold Start Time | < 2 minutes | 
| Sensitivity (Track/Acq.) | –167 dBm / –148 dBm | 
| Supported GNSS | GPS, GLONASS, *Beidou | 
| SBAS Support | WAAS, EGNOS, MSAS | 
| Signal Acquisition | Automatic | 
| Position Accuracy | ≤15 m (standard), ≤5 m with SBAS (95% of the time) | 
| Refresh Rate | 10 Hz | 
| Geodetic Datum | WGS-84 (configurable via MFD) | 
| Antenna | Internal ceramic chip + TNC port for external antenna |