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IC-M604A

VHF Marine Transceiver

specifications

Specifications

General
Frequency range
Tx
Rx		  
156.025–157.425MHz
156.050–163.275MHz
Type of emission 16K0G3E, 16K0G2B
Usable channels USA, INT, CAN, WX channels
Power supply requirement 13.8V DC ±15%
Current drain (at 13.8V DC)
Transmit
Receive		  
5.5A (25W output)
1.5A (Max. audio)
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)		 220×110×109.4 mm;
821⁄32×411⁄32×45⁄16 in.
Weight (approx.) 1.4kg ; 3.09 lb
NMEA formats
Input
Output		  
RMC, GGA, GNS, GLL, VTG
DSC, DSE
Transmitter
Output power 25W or 1W (at 13.8V DC)
Modulation system Variable reactance
Max. Freq. deviation ±5.0kHz
Frequency error ±0.3kHz
Spurious emissions Less than –70dBc
Residual modulation More than 40dB
Adjacent Ch. power More than 70dB
Receiver
Intermediate freq.
1st
 
2nd		  
30.15MHz
21.7MHz (Ch70)
450kHz
Sensitivity 0.22μV typ. (at 12dB SINAD)
Squelch sensitivity Less than 0.32μV (threshold)
Adjacent Ch. selectivity More than 80dB
Spurious response More than 80dB
Intermodulation More than 80dB
Hum and noise More than 40dB
Audio output power 5.0W typ. at 10% distion
with a 4Ω load

Applicable U.S. Military Specifications

The IC-M604A and HM-162B/SW have been tested to and passed the following MIL-STD requirements and strict environmental standards.

Standard MIL 810 C MIL 810 D MIL 810 E MIL 810 F
Method Proc Method Proc Method Proc Method Proc
Low Pressure 500.1 I 500.2 I, II 500.3 I, II 500.4 I, II
High Temp. 501.1 I 501.2 I, II 501.3 I, II 501.4 I, II
Low Temp. 502.1 I 502.2 I, II 502.3 I, II 502.4-3 I, II
Temp. Shock 503.1 I 503.2 I 503.3 I 503.4 I
Solar Radiation 505.1 I 505.2 I 505.3 I 505.4 I
Rain 506.1 I, II 506.2 I, II 506.3 I, II 506.4 I, II
Humidity 507.1 I, II 507.2 II, III 507.3 II, III 507.4 –
Salt Fog 509.1 I 509.2 I 509.3 I 509.4 –
Dust Blowing 510.1 I 510.2 I 510.3 I 510.4 I
Vibration 514.2 VIII, X 514.3 I 514.4 I 514.5 I
Shock 516.2 I, II, V 516.3 I, IV 516.4 I, IV 516.5 I, IV

 

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

 

Supplied Accessories

  • Hand microphone
  • DC power cable
  • Mounting bracket kit

Dimensions

Dimensions

Rear Panel View

Rear Panel View