New 
MF/HF MARINE TRANSCEIVER

IC-M804

Long Range Communications Beyond the Horizon

General

Frequency
coverage
Receive 500 kHz–29.9999 MHz (continuous)
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
DSC 2.1875, 4.2075, 6.3120, 8.4145, 12.5770, 16.8045 MHz
Mode TX/RX J3E (USB), J2B (AFSK), F1B (FSK)
RX only J3E (LSB), A1A (CW), H3E (AM)
DSC F1B
Antenna impedance 50 Ω (unbalanced)
Usable temperature range –15 ℃ to 55 ℃
Frequency
stability
TX/RX ±10 Hz (below 29.9999 MHz)
DSC ±10 Hz
Power supply requirement 10.8–15.6 V (12 V DC),
21.6–31.2 V (24 V DC) (negative ground)

Current drain

Receive

Less than 6 A (12 V) / 3A (24 V)(Maximum audio output)

Transmit Less than 40 A (12 V)/20 A (24 V) (Max. output power)
(with 1.1 kHz and 1.7 kHz AF input)
Dimensions
(Projections
not included)
Main unit 367 (W) × 95 (H) × 260 (D) mm
Controller 274 (W) × 114 (H) × 86 (D) mm
Weight Main unit 8.6 kg (approximate)
Controller 760 g (approximate)

Transmitter

Output power

 (at Tuner output)

1.6–3.9999 MHz 85 W pep
4.0–27.5000 MHz 125 W pep
Spurious emissions Less than -50 dB peak output power (at Max. Power)
Carrier suppression More than 40 dB peak output power (at Max. Power)
Unwanted sideband suppression More than 55 dB peak output power
(at Max power with 1500 Hz AF input)

Receiver

Sensitivity J3E, A1A 0.5–1.5999 MHz 30 dBμV emf (20 dB SINAD)
1.6–29.9999 MHz

 8 dBμV emf (20 dB SINAD)

J2B, F1B 1.6–29.9999 MHz 0 dBμV emf (1% error rate)
H3E 0.5–1.5999 MHz 44 dBμV emf (20 dB SINAD)
1.6–3.9999 MHz 24 dBμV emf (20 dB SINAD)
DSC Sensitivity 0 dBμV emf (1% error rate)
Squelch sensitivity J3E (at 12.230 MHz) (Threshold) Less than 26 dBμV emf
(Tight)

Less than 96 dBμV emf

H3E (at 1.000 MHz) (Threshold) Less than 36 dBμV emf
(Tight) Less than 116 dBμV emf
Audio output power 4.0 W at 10% distortion with 4 Ω load
Clarity variable range ±150 Hz

All stated specifications are subject to change without notice or obligation.

Applicable IP Rating

Ingress Protection Standard
Remote controller IPX7 (1 m depth water for 30 minutes)

Supplied Accessories

  • Hand microphone
  • DC power cable
  • GNSS antenna
  • Remote controller and control cable
  • Mounting plates for the main unit
  • Mounting bracket kit for the remote controller

Dimensions