Icom ic-m423g - 11 Specifications and Options; Specifications

89
11
SPECIFICATIONS AND OPTIONS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
All stated specifications are subject to change without notice or obligation.
■ Specifications
General D
Frequency coverage:•
Tx IC-M423/IC-M423G 156.000–161.450 MHz
IC-M424/IC-M424G 156.025–157.425 MHz
IC-M423 (CHN version) 156.025–157.425 MHz
Rx IC-M423/IC-M423G 156.000–163.425 MHz
IC-M424/IC-M424G 156.050–163.275 MHz
IC-M423 (CHN version) 156.050–162.025 MHz
CH70 156.525 MHz
Mode: 16K0G3E (FM) •
16K0G2B (DSC)
Channel spacing: 25 kHz•
Operating temperature range: –20°C to +60°C;•
–4ºF to +140ºF
Current drain (at 13.8 V):•
TX high 5.5 A maximum
Maximum audio 5.0 A maximum
Power requirement:•
(negative ground) 13.8 V DC nominal
Frequency stability: ±1.5 kHz (–20°C to +60°C;•
–4°F to +140°F)
Antenna impedance: 50 • Ω nominal
Dimensions (approximately): 180(W) × 82(H) × 135(D) mm•
; 7.1(W) × 3.2(H) × 5.3(D) inches
(Projections not included)
Weight (approximately): 1.2 kg; 2.6 lb•
Transmitter D
Output power: 25 W/1 W•
Modulation system: Variable reactance frequency •
modulation
•Maximumfrequencydeviation:±5.0kHz
Spurious emissions: •
IC-M423/IC-M423G Less than 0.25 µW
IC-M424/IC-M424G Less than –70 dBc (high)
Less than –56 dBc (low)
Receiver D
Receive system: Double conversion superheterodyne•
Sensitivity:•
FM IC-M423/IC-M423G –5 dBµ emf typical (at 20 dB SINAD)
IC-M424/IC-M424G –13 dBµ typical (at 12 dB SINAD)
DSC IC-M423/IC-M423G –4 dBµ emf typical (1% BER)
IC-M424/IC-M424G –5 dBµ emf typical (1% BER)
Squelch sensitivity: •
IC-M423/IC-M423G Less than –2 dBµ emf
IC-M424/IC-M424G Less than –10 dBµ
Intermodulation rejection ratio:•
FM IC-M423/IC-M423G More than 68 dB
IC-M424/IC-M424G More than 70 dB
DSC More than 68 dBµ emf (1% BER)
Spurious response rejection ratio:•
FM More than 70 dB
DSC More than 73 dBµ emf (1% BER)
Adjacent channel selectivity:•
FM More than 70 dB
DSC More than 73 dBµ emf (1% BER)
Audio output power: •
IC-M423/IC-M423G More than 10 W at 10% distortion
into a 4 Ω load
IC-M424/IC-M424G 10 W at 10% distortion into a 4 Ω
load