RADIO VHF ICOM M304
|
General |
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Frequency range
Tx
Rx
|
156.025–157.425 MHz
156.050–163.275 MHz
|
|
Usable channels |
USA, CAN, INT, WX channels |
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Type of emission |
16K0G3E, 16K0G2B
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|
Power supply |
13.8V DC ±15% |
Current drain (at 13.8V DC)
Tx
Rx |
5.5A (at 25W output)
1.5A (at AF max.) |
|
Operating temperature range |
–20°C to +60°C;
–4°F to +140°F
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|
Antenna impedance : |
50Ω (SO-239) |
Dimensions (W×H×D,
projections not included) |
153×67×133mm ;
61⁄32×25⁄8×51⁄4 in.
|
|
Weight (approx.) |
825g; 1.8lb |
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NMEA formats |
NMEA version 2.0 or 3.01
RMC, GGA, GNS, GLL
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|
Transmitter |
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Output power |
25W or 1W (at 13.8V DC) |
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Modulation system |
Variable reactance frequency modulation |
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Max. freq. deviation |
±5 kHz |
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Frequency error |
±10ppm |
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Spurious emissions |
Less than –70dBc (at 25W) |
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Adj. channel power |
More than 70dB |
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Audio harmonic distortion |
Less than 10% (at 60% dev.) |
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Residual modulation |
More than 40dB |
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Receiver |
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Intermediate freq. |
1st 21.7 MHz, 2nd 450 kHz |
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Sensitivity |
0.22μV typical at 12dB SINAD |
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Squelch sensitivity |
Less than 0.22μV |
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Adj. Ch. selectivity |
More than 70dB |
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Spurious response |
More than 70dB |
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Intermodulation |
More than 70dB |
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Hum and noise |
More than 40dB |
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Audio output power |
4.5W typical at 10% distortion with a 4Ω load |
Measurements made in accordance with TIA/EIA 603. All stated specifications are subject to change without notice or obligation.
Color versions
Supplied accessories
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Hand microphone
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DC power cable
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Mounting bracket kit
Dimensions
Rear Panel Connections
