RADIO RIG ICOM IC-M304 Series VHF Marine Transceiver















Specifications

General
Frequency Range
  Tx
  Rx
  Ch. 70

156.025–157.425MHz
156.050–163.275MHz
156.525MHz
Usable channelsINT, USA, CAN, WX channels
Type of emission16K0G3E (FM)
16KOG2B (DSC)
Power supply requirement13.8V DC nominal (11.7–15.9V DC)
Current drain (at 13.8V DC)
  Tx 25W output
  Rx AF max.

5.5A
1.5A
Operating temperature range-20°C to +60°C; -4°F to +140°F
Antenna Impedance50Ω (SO-239)
Dimensions (W×H×D)
(Projections not included)
180 × 82 × 119.9 mm;
7.09 × 3.23 × 4.72 in
Weight (approx.)12kg; 2.65lb
NMEA in/out formatsRMC, GGA, GNS, GLL, DSC, DSE
Transmitter
Output power (at 13.8V DC)25W, 1W
Max. frequency deviation± 5 KHz
Frequency tolerance±10ppm (-20°C to +60°C)
Spurious emissionsLess than –70dBc (High)
Less than –56dBc (Low)
Receiver
Sensitivity
  Main
  Ch. 70

–13dBμ typ. (12dB SINAD)
–5dBμ emf typ. (1% BER)
Squelch sensitivityLess than –10dBμ
Adjacent channel selectivity
  Main
  Ch. 70

More than 70dB
More than 73dBμ emf (1% BER)
Spurious response
  Main
  Ch. 70

More than 70dB
More than 73dBμ emf (1% BER)
Intermodulation
  Main
  Ch. 70

More than 70dB
More than 68dBμ emf (1% BER)
Hum and noiseMore than 40dB
Audio output power
(at 10% distortion, 4Ω load)
4.5W typical
Measurements made in accordance with TIA/EIA-603. All stated specifications are subject to change without notice or obligation.
Applicable IP Rating
Ingress Protection Standard
WaterIPX7 (Waterproof protection)
Measurements made in accordance with TIA/EIA-603. All stated specifications are subject to change without notice or obligation.

Supplied Accessories

  • Hand microphone, HM-200B/SW
  • DC power cable
  • Mounting bracket kit

Diagrams












Options

  • MA-500TR CLASS B AIS TRANSPONDER

  • MB-132 FLUSH MOUNT KIT
    For flush-mounting the IC-M324 / M324G to a flat surface.