Icom IC-M422 Marine Radio User Manual


 
New2001
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11
SPECIFICATIONS AND OPTIONS
Specications
DD
General
Frequency coverage : Tx 156.025157.425 MHz
Rx 156.050163.275 MHz
Mode :
FM (16K0G3E), DSC (16K0G2B)
Channel spacing : 25 kHz
Current drain (at 13.8 V) : TX high 5.5 A max.
Max. audio 1.5 Amax.
Power supply requirement : 13.8 V DC
Frequency stability : ±10 ppm
(20°C to +60°C; 4°F to +140°F)
Dimensions : 164(W) × 78(H) × 139.3(D) mm
(Projections not included) 6
15
32
(W) × 3
1
16
(H) × 5
15
32
(D) in
Weight : Approx. 1070 g; 2.4 lb
DD
Transmitter
Output power : 25 W/1 W
Modulation system : Variable reactance frequency
modulation
Max. frequency deviation : ±5.0 kHz
Spurious emissions : Less than 70 dBc
DD
Receiver
Receive system : Double conversion
superheterodyne
Sensitivity (12 dB SINAD) : 0.22 µV (typical)
Squelch sensitivity : 0.22 µV
Intermodulation rejection ratio : More than 70 dB
Spurious response rejection ratio
: More than 70 dB
Adjacent channel selectivity : More than 70 dB
Audio output power : 4.5 W (typical) at 10% distortion
with a 4 load
All stated specications are subject to change without notice or
obligation.
DD
Dimensions
Options
MB-69
FLUSH MOUNT KIT
For mounting the transceiver to a panel.
HM-157
COMMANDMIC II
External microphone-type controller. Provides optional inter-
com operation. 6 m (20 feet) microphone cable and mount-
ing base included. Black and white colors are available.
OPC-999
MICROPHONE EXTENSION CABLE
6 m (20 feet) microphone extension cable for optional HM-
157
COMMANDMIC II
. Up to 2 OPC-999 can be connected.
(18 m; 60 feet maximum)
Unit: mm (inch)
139.3 (5
15
32)
78 (3
1
16)
28.9
(1
1
8
)
164 (6
15
32)
148 (5
13
16)
60.6 (2
3
8)
125.4 (4
15
16)
10
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