Icom IC-M90 Marine Radio User Manual


 
30
SPECIFICATIONS
14
GENERAL
Frequency coverage
[Marine] TX : 156.025157.425 MHz
RX 156.050163.275 MHz
[LMR] TX/RX 146.000174.000 MHz
Mode
[Marine] : 16K0G3E (Wide)
[LMR] :
16K0F3E (Wide)/8K50F3E (Narrow)
Channel spacing : 25 kHz (Wide)
12.5 kHz (Narrow; LMR only)
Number of programmable ch. : 100 channels
Power supply requirement : BP-223, BP-224 or BP-225 only
Current drain (at 7.5 V DC) : TX High (5 W) 1.6 A typical
TX Mid. (3 W) 1.2 A typical
TX Low (1 W) 0.7 A typical
RX Max audio 200 mA typical
RX Power save
20 mA typical
Useable temperature range
[Marine] : 20°C to +60°C; 4°F to +140°F
[LMR] :
30°C to +60°C; 22°F to +140°F
Frequency stability : ±5 ppm
(30°C to +60°C;
22°F to +140°F)
Antenna impedance : 50
Dimensions : 65(W) × 145(H) × 44(D) mm
(Projections not included) 2
9
16(W) × 5
23
32(H) × 1
3
4(D) inch
Weight (with BP-225) : Approx. 410 g (14.46 oz)
TRANSMITTER
Output power (at 7.5 V DC) : 5 W (Hi), 3 W (Middle) and
1 W (Low)
Modulation system : Variable reactance frequency
modulation
Microphone impedance : 2 k
Max. frequency deviation
[Marine] : ±5 kHz
[LMR] :
±5 kHz (Wide), ±2.5 kHz (Narrow)
Adjacent channel power
[Marine] : 70 dB
[LMR] : 70 dB (Wide), 60 dB (Narrow)
Spurious emissions : Less than 70 dBc typical
RECEIVER
Receive system : Double-conversion
superheterodyne
Sensitivity (12 dB SINAD) : 0.25 µV typical
Squelch sensitivity : Less than 0.35 µV typical
(at threshold)
Intermodulation rejection ratio : 70 dB typical
Spurious response rejection ratio : 70 dB typical
Adjacent channel selectivity (Typical)
[Marine] : 70 dB
[LMR] : 70 dB (Wide), 60 dB (Narrow)
Audio output power : 0.35 W typical at 10% distor-
tion with an 8 load
All stated specications are subject to change without notice or
obligation.