The M-304's wide LCD shows large channel numbers and channel names of up to 10 characters.
4 levels of LCD backlighting are available.
The speaker's high sound pressure level delivers loud and clear reception.
Background noise is blown away!
The microphone is tuned to pick up voice, while reducing ambient noise.
Built-in DSC capability
The DSC (Digital Selective Calling) allows you to send a formatted distress message in an emergency.
Position data is automatically exchanged between the two stations.
DSC uses a unique ID (MMSI code) similar to a telephone number, allowing you to make contact with a specific boater or group of boaters in your area.
A total of 100 address IDs can be stored with a 5-character name.
Submersible 1m depth for 30 minutes
The installation of the IC-M304 is not limited to covered areas. Be assured, the IC-M304 can handle all types of wet! Equivalent to JIS Grade 7.
|Usable channels||USA, CAN, INT, WX channels|
|Type of emission||
|Power supply||13.8V DC ±15%|
|Current drain (at 13.8V DC)
5.5A (at 25W output)
1.5A (at AF max.)
|Operating temperature range||
–20°C to +60°C;
–4°F to +140°F
|Antenna impedance :||50Ω (SO-239)|
projections not included)
|Weight (approx.)||825g; 1.8lb|
NMEA version 2.0 or 3.01
RMC, GGA, GNS, GLL
|Output power||25W or 1W (at 13.8V DC)|
|Modulation system||Variable reactance frequency modulation|
|Max. freq. deviation||±5 kHz|
|Spurious emissions||Less than –70dBc (at 25W)|
|Adj. channel power||More than 70dB|
|Audio harmonic distortion||Less than 10% (at 60% dev.)|
|Residual modulation||More than 40dB|