RADIO VHF ICOM M304
General |
|---|
Frequency range
Tx
Rx
|
156.025–157.425 MHz
156.050–163.275 MHz
|
Usable channels |
USA, CAN, INT, WX channels |
Type of emission |
16K0G3E, 16K0G2B
|
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
|
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 |
NMEA formats |
NMEA version 2.0 or 3.01
RMC, GGA, GNS, GLL
|
Transmitter |
|---|
Output power |
25W or 1W (at 13.8V DC) |
Modulation system |
Variable reactance frequency modulation |
Max. freq. deviation |
±5 kHz |
Frequency error |
±10ppm |
Spurious emissions |
Less than –70dBc (at 25W) |
Adj. channel power |
More than 70dB |
Audio harmonic distortion |
Less than 10% (at 60% dev.) |
Residual modulation |
More than 40dB |
Receiver |
|---|
Intermediate freq. |
1st 21.7 MHz, 2nd 450 kHz |
Sensitivity |
0.22μV typical at 12dB SINAD |
Squelch sensitivity |
Less than 0.22μV |
Adj. Ch. selectivity |
More than 70dB |
Spurious response |
More than 70dB |
Intermodulation |
More than 70dB |
Hum and noise |
More than 40dB |
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
Hand microphone
DC power cable
Mounting bracket kit
Dimensions
Rear Panel Connections
