Icom M304 Features

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.

Specs

• Frequency range
  • Tx :156.025–157.425MHz
  • Rx : 156.050–163.275MHz
• Usable channels : USA, CAN, INT, WX channels
• Type of emission : 16K0G3E, 16K0G2B
• Power supply : 13.8V DC ±15%
• Current drain (at 13.8V DC)
  • Tx : 5.5A (at 25W output)
  • Rx : 1.5A (at AF max.)
• Operating temperature range : –20°C to +60°C; –4°F to +140°F
• Antenna impedance : : 50Ω (SO-239)
• Dimensions (W×H×D,projections not included) : 153×67×133mm ;61⁄32×25⁄8×51⁄4 in.
• Weight (approx.) : 825g; 1.8lb
• NMEA formats : 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 : ±5kHz
• Frequency error : ±10ppm