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Icom Handheld Radio M73 VHF Marine Transceiver

Icom Handheld Radio M73 VHF Marine Transceiver

SKU: 151-M73

The M73’s ergonomic design fits easily in the user’s hand and is a rugged, durable radio. The large screen and high intensity LCD offers bright, easy to read characters. Yacht customers benefit from the optional VOX headset and adapter option that allows someone handling dock lines to use both hands, while docking the boat, simultaneously communicating with the captain.

Output Power:


Battery Life:

 2000mAh Li-ion battery, up to 16 hours
Typical operation; Tx:Rx:Stand-by duty ratio = 5:5:90

Waterproof Rating:


Loud Audio

The M73 uses a BTL (bridge-tied load) amplifier that doubles the audio output. Its internal speaker delivers a loud 700mW audio output with clear sound.


The M73 PLUS includes these additional features:

  • Active noise cancelling to reduce background noise to hear conversations better.
  • Bass boost function provides a rich bass sound for both transmit and receive signals.
  • Last call voice recording automatically saves the last incoming call for one minute. You can also start recording manually.

Additional Features

  • AquaQuake™ water draining function
  • Dual/Tri-Watch function for monitoring Channel 16 and/or call channel
  • 4 level battery indicator
  • Favorite channel and tag scan functions
  • Auto power save function


Frequency Range
Usable channel groupsINT, USA, CAN, WX channels
Type of emission16K0G3E (FM)
Current drain (at 7.4V DC)
  Tx (at 6W output)
  Rx (Max. audio (Int SP/Ext SP)
1.5A typical

Operating temperature range

–20°C to +60°C; –4°F to +140°F

Antenna Impedance50Ω (STUD)
Dimensions (W×H×D)
(Projections not included)
52.5×125×30 mm
2.07×4.92×1.18 in
Weight (approx.)320g; 11.3oz (With BP-245N, FA-S64V, MB-103)
Output power (Hi/Low)


Max. frequency deviation± 5.0 kHz
Frequency error±10ppm
Audio harmonic distortionLess than 10% (at 60% dev.)
Spurious emissions–68dBc
Adjacent channel power70dB
Audio harmonic distortionLess than 10% (at 60% dev.)
Residual modulation40dB
Sensitivity0.22μV typ. (at 12dB SINAD)
Squelch sensitivity0.35µV typ. (at threshold)
Adjacent Channel Selectivity70dB typical
Spurious response70dB typical
Intermodulation70dB typical
Hum and noise ratio40dB typical
Audio output power

Internal speaker
External speaker


700mW typ. (at 10% distortion, 8Ω load)
350mW typ. (at 10% distortion, 8Ω load)

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