Icom M803 21 USA IC-M803 MF/HF SSB Marine Transceiver with Class E DSC

The Icom IC-M803 is a long-range MF/HF SSB marine transceiver built for offshore cruisers who demand reliable digital communication beyond VHF range. With 150 watts PEP RF output and continuous receive coverage from 0.5 to 29.999 MHz, the IC-M803 covers both marine and amateur (ham) frequencies. A separate antenna tuner (such as the optional AT-140) is required for operation.

Key Features:

• Class E DSC MF/HF Certified – Reach marine and ham frequencies with full Class E Digital Selective Calling capability across six monitored distress channels
• 150W PEP RF Output – Selectable output power at 150, 100, 60, and 20 watts for flexible transmission
• Advanced RF Direct Sampling System – Received RF signals are converted directly to digital signals via FPGA processing, delivering improved receiver sensitivity and audio clarity
• 4.3-Inch Color TFT Display – Large, wide-viewing-angle display with a near 180-degree field of view and night mode for low-light readability
• Built-In GPS Receiver – Integrated GPS/GLONASS/SBAS antenna input provides position, speed, course, and UTC data; NMEA 0183 output for interfacing with chartplotters and other devices
• Emergency Distress Button – Large, clearly marked distress button with spring-loaded protective cover for fast emergency DSC calls
• Dedicated DSC Watch Receiver – Continuously and independently scans all six DSC distress channels; Multiple Task Mode allows switching between simultaneous DSC calls
• Two-Minute Instant Replay Memory – Automatically records incoming audio so users can replay up to two minutes of received transmissions
• 830 Channels – Including 160 programmable, 72 ITU SSB duplex, 249 ITU SSB simplex, 193 ITU FSK duplex, and 160 HF email channels
• HF Email Operation – Supports HF email with frequency, mode, and bandwidth memory
• IPX7 Waterproof Controller – The remote head/controller unit is rated IPX7 waterproof
• NMEA 0183 v4.10 I/O – Data input/output at 4800–38400 bps for full chart plotter integration
• Matched Design with IC-M605 – Shares display layout and user interface with the IC-M605 VHF transceiver for seamless operation across both radios

Specifications:

• Frequency Receive: 500 kHz – 29.9999 MHz (continuous)
• Frequency Transmit: 1.6–2.9999, 4.0–4.9999, 6.0–6.9999, 8.0–8.9999, 12.0–13.9999, 16.0–17.9999, 18.0–19.9999, 22.0–22.9999, 25.0–27.5000 MHz
• Modes: J3E (USB/LSB), J2B (AFSK), F1B (FSK), A1A (CW), H3E (AM receive only)
• Power Supply: 13.6V DC ±15%, negative ground
• Current Drain: Receive <3.0A; Transmit 30A (max output)
• Main Unit Dimensions: 9.4 × 3.7 × 9.4 in (W × H × D)
• Main Unit Weight: 9.7 lb (approx.)
• Controller Dimensions: 10.8 × 4.5 × 3.4 in (W × H × D)
• Controller Weight: 1.7 lb (approx.)
• Operating Temperature: –4°F to +131°F (–20°C to +55°C)

The IC-M803 is the ideal long-range communications solution for cruising sailors and offshore powerboaters who need reliable SSB voice, DSC distress signaling, and HF email capability in a single, well-integrated package.