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11
SPECIFICATIONS AND OPTIONS
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Specifications
■
General
D
• Frequency coverage
USA and AUS versions
: Tx 156.025–157.425 MHz
Rx 156.050–163.275 MHz
CHN version
: Tx 156.025–157.425 MHz
Rx 156.050–162.025 MHz
• Mode
:
FM (16K0G3E),
DSC (16K0G2B)
• Channel spacing
: 25 kHz
• Operating temp. range
: –20°C to +60°C
• Current drain (at 13.8 V)
: TX high
5.5 A maximum
Max. audio 5.0 A maximum
• Power supply requirement
: 13.8 V
DC nominal
(negative ground)
• Frequency stability
: ±1.5 kHz (–20°C to +60°C)
• Antenna impedance
: 50
˘
nominal
• Dimensions (approximately) : 180(W)
×
82(H)
×
135(D) mm
(Projections not included)
• Weight (approximately)
: 1.2 kg
Transmitter
D
• Output power
: 25 W/1 W
• Modulation system
: Variable reactance frequency
modulation
• Max. frequency deviation
: ±5.0 kHz
• Spurious emissions
: Less than –70 dBc (high)
Less than –56 dBc (low)
Receiver
D
• Receive system
: Double conversion
superheterodyne
• Sensitivity (12 dB SINAD)
: –13 dBµ (typical)
• Squelch sensitivity
: Less than –10 dBµ
• 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
: More than 10 W at 10% distor
-
tion with a 4
˘
load
All stated specifications are subject to change without notice or obligation.
Summary of Contents for iM423
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Page 105: ...MEMO...
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