Icom IC-M304 Submersible compact body with large LCD and powerful audio Equivalent to IPX7 (1m depth for 30 minutes, except cables). Built-in DSC that meets RTCM SC-101 For distress calls, or for position request/position report.
Submersible compact body with large LCD and powerful audio
Compact and submersible
Equivalent to IPX7 (1m depth for 30 minutes, except cables).
Large easy-to-see LCD
Shows full size channel number with 4-step backlighting.
Built-in DSC that meets RTCM SC-101
For distress calls, or for position request/position report.
New Force5Audio™ speaker
Delivers impressive audio output with powerful bass.
Favorite channel function
Offers quick channel selection from the microphone up/down buttons.
AquaQuake draining function
The vibrating “buzz” sound clears water away from the speaker grill.
Weather channel with weather alert
Listen for important weather broadcasts
Dualwatch and Tri-watch functions
Monitors Ch.16 and/or call channel, while using another channel.
Also available in either black or gray
|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|
|Intermediate freq.||1st 21.7 MHz, 2nd 450 kHz|
|Sensitivity||0.22μV typical at 12dB SINAD|
|Squelch sensitivity||Less than 0.22μV|
|Adj. Ch. selectivity||More than 70dB|
|Spurious response||More than 70dB|
|Intermodulation||More than 70dB|
|Hum and noise||More than 40dB|
|Audio output power||4.5W typical at 10% distortion with a 4Ω load|
Measurements made in accordance with TIA/EIA 603. All stated specifications are subject to change without notice or obligation.
- Super white
- Hand microphone
- DC power cable
- Mounting bracket kit
Rear Panel Connections