Floating, lightweight & smart features

IC-M25

VHF MARINE TRANSCEIVER

The Icom IC-M25 is a compact and lightweight marine VHF radio designed for reliable on-the-water communication. It features a slim, ergonomic design, a large LCD display, and a powerful 550mW audio output for clear reception. With its floating capability and USB charging, it’s a convenient and essential tool for boaters and marine professionals.

Lightweight and Compact Body

The IC-M25 is the lightest weight floating marine radio* (218 g; 7.7 oz). Its slim depth (30.5 mm, 1.2 in) can be comfortably operated with one hand. These features make it easier to equip, carry and operate for a long time.
*As of June 2022, researched by Icom.

Float’n Flash™

If you accidentally drop the IC-M25 into the water, it will float, flash and sound an alarm. The buoyancy, the flashing light, and the sound reduce the risk of loss at sea.

11 Hours of Battery Life

The built-in 1570 mAh (typical) Li-ion battery realizes 5 Watts (approx.) output power and 11 hours of operation*. 
* Typical operation with Tx (Hi): Rx: Standby=5:5:90

700 mW Audio Output

The IC-M25 provides a powerful 700 mW (typical) audio output and received voice can be heard loud and clear. 

Easy-to-Use

On the front panel, the function keys are good-sized and simply laid out. The large display features big channel numbers supporting 4-digit channels and automatic backlighting.

USB Charging (Micro-B USB type)

The IC-M25 adopts a micro-B USB charger connector* widely used on mobile devices. The built-in Li-ion battery pack can be charged quickly in three hours (approx.).
*The IC-M25 accepts 5 V/1 A (Max.) input. Use of third-party products is not guaranteed.

Optional Speaker-Microphone, HM-213

The optional waterproof speaker-microphone, HM-213, provides commercial grade convenience while mounting the radio on the waist. The radio floats even when the HM-213 is attached.

Other Features

  • IPX7 waterproof construction 
    (1m depth of water for 30 minutes)
  • 4-step battery life indicator
  • 2-step power save function
  • Weather channel with weather alert 
  • Dual/Tri-watch functions
  • Instant access to Ch 16 or programmable call channel
  • Favorite channel function
  • Monitor function opens noise squelch
  • Auto scan function
  • Display auto backlighting
  • AquaQuake™ prevents audio degradation from a water-logged speaker

General

Frequency rangeTx156.025–157.425 MHz
Rx156.050–163.275 MHz
Usable channel groupsINT, USA, CAN, WX channels
Type of emission16K0G3E (FM)
Power supply voltage3.7 V DC nominal
Current drainTx2.3 A
Rx (Internal SP/External SP)400 mA/200 mA (Max. audio) 
Operating temperature range–20°C to +60°C; –4°F to +140°F
Antenna impedance50 Ω
Dimensions (W×H×D)
(Projections not included)
56.6×134.2×30.5 mm;
2.2×5.3×1.2 in
Weight (approximately)218 g; 7.7 oz (With antenna and MB-133)
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Transmitter

Output power5 W (approximate)/1 W
Max. frequency deviation±5.0 kHz
Frequency stability±10 ppm
Spurious emissions–68 dBc typical
Adjacent channel power70 dB
Residual modulation40 dB
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Receiver

Sensitivity0.25 μV typical (at 12 dB SINAD)
Squelch sensitivity0.25 μV typical (at threshold)
Adjacent channel selectivity70 dB typical
Spurious response70 dB typical
Intermodulation70 dB typical
Audio output power
(at 10% distortion)
Internal SP700 mW typical (8 Ω load)
External SP300 mW typical (4 Ω load)
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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)
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Supplied Accessories

・ AC adapter and USB cable*
・ Belt clip, MB-133
・ Antenna
・ Hand strap
* Not supplied or may differ, depending on version.

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