Icom IC-M803 MF/HF Marine SSB Transceiver with Class E DSC

The Icom IC-M803 MF/HF Marine Transceiver is a long-range marine SSB radio designed for offshore cruising, bluewater sailing, commercial vessels, and extended communications beyond VHF range. With 150W PEP RF output, Class E DSC, integrated GPS, a large color TFT display, and advanced receiver technology, the IC-M803 provides dependable MF/HF marine communication beyond the horizon.

Key Features

• MF/HF marine SSB transceiver for long-range vessel communication
• 150W PEP selectable RF output with 150, 100, 60, and 20 watt settings
• Class E DSC capability with dedicated DSC watch-keeping receiver
• Large emergency distress button with spring-loaded protective cover
• Built-in GPS receiver supporting GPS, GLONASS, and SBAS with supplied GPS antenna
• 4.3-inch wide-viewing-angle color TFT display with night mode
• Advanced RF direct sampling system for improved receiver sensitivity and audio clarity
• Two-minute instant replay memory for reviewing received audio
• Ready for HF e-mail operation with up to 160 e-mail frequency channels
• IPX7 waterproof remote controller
• NMEA 0183 Version 4.10 data input/output
• 0.5–29.999 MHz continuous receiver coverage

Compatibility & Applications

The Icom IC-M803 is ideal for boaters and marine operators who need reliable MF/HF SSB radio communication, marine DSC calling, and long-distance communication beyond standard VHF coverage.

• Offshore cruising sailboats and motor yachts
• Bluewater passagemaking and ocean-crossing vessels
• Commercial marine and workboat communications
• Emergency and backup long-range marine communication
• HF e-mail systems when used with compatible providers and equipment
• Marine installations using NMEA 0183 navigation data
• Companion use with Icom marine VHF radios such as the IC-M605

Benefits & Why Buy

• Long-range communication: MF/HF SSB capability supports communications beyond the horizon where VHF radios cannot reach.
• Enhanced emergency readiness: DSC distress signaling with GPS position data helps alert nearby vessels and coast stations.
• Easy operation: The color display, main dial, software keys, and alpha-numeric keypad make channel, MMSI, and vessel-name entry easier.
• Clear visibility: The 4.3-inch TFT screen provides a wide viewing angle and night mode for low-light operation.
• Flexible integration: NMEA 0183 input/output and supplied GPS antenna support modern marine electronics installations.
• Built for marine use: The waterproof remote controller and proven Icom marine design are suited for demanding vessel environments.

Important Notes

• Professional marine radio installation is recommended.
• An appropriate antenna system, grounding, and tuning setup are required for proper MF/HF performance.
• The optional AT-140 automatic antenna tuner is available separately.
• HF e-mail operation may require a compatible modem, PC connection, and HF e-mail service provider.
• Transmit frequency use may require proper marine radio licensing and MMSI programming.
• Specifications and accessories may vary by region or package configuration.

Frequently Asked Questions

What is the Icom IC-M803 used for?

The Icom IC-M803 is used for long-range MF/HF marine SSB voice communication, DSC emergency calling, offshore vessel communications, and compatible HF e-mail applications.

Does the IC-M803 include GPS?

Yes. The IC-M803 includes an integrated GPS receiver with GPS, GLONASS, and SBAS support, plus a supplied GPS antenna.

How much transmit power does the IC-M803 provide?

The IC-M803 provides selectable output power up to 150W PEP, with 150W, 100W, 60W, and 20W settings.

Is the IC-M803 remote controller waterproof?

Yes. The remote controller is rated IPX7, meaning it is protected against immersion in 1 meter of water for up to 30 minutes.

Can the IC-M803 be used for HF e-mail?

Yes. The IC-M803 is ready for HF e-mail operation and can store up to 160 e-mail frequency channels when used with compatible equipment and a service provider.