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. 1st2nd |
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