English | Español | Português
Icom America - 2 way radios


VHF Marine Transceiver



Frequency Range
Usable channel groups INT, USA, CAN, WX channels
Type of emission 16K0G3E (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 Impedance 50Ω (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 distortion Less than 10% (at 60% dev.)
Spurious emissions –68dBc
Adjacent channel power 70dB
Audio harmonic distortion Less than 10% (at 60% dev.)
Residual modulation 40dB
Sensitivity 0.22μV typ. (at 12dB SINAD)
Squelch sensitivity
0.35µV typ. (at threshold)
Adjacent Channel Selectivity 70dB typical
Spurious response 70dB typical
Intermodulation 70dB typical
Hum and noise ratio 40dB typical
Audio output power

Internal speaker
External speaker

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

Applicable U.S. Military Standards

Standard MIL 810 F
Method Proc
Low Pressure 500.5 I, II
High Temp. 501.5 I,II
Low Temp. 502.5 I, II
Temperature Shock 503.5 I - C
Solar Radiation 505.5 I
Rain Blowing/Drip 506.5 I, III
Humidity 507.5 II
Salt Fog 509.5
Dust Blowing 510.5 I
Immersion 512.5 I
Vibration 514.6 I
Shock 516.6 I, IV

Applicable IP Rating

Ingress Protection Standard
Water IPX8 (Waterproof protection)

Also meets equivalent MIL-STD-810-C, -D,  -E and -F

Measurement made in accordance with TIA/EIA-603. All stated specifications are subject to change without notice or obligation.

Supplied Accessories

Supplied accessories for the M73


View our blog