![background image](http://html.mh-extra.com/html/icom/ic-m412/ic-m412_instruction-manual_612793061.webp)
53
10
SPECIFICATIONS AND OPTION
New2001
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
n
Specifications
D
General
• Frequency coverage
: Tx 156.025–157.425 MHz
Rx 156.050–163.275 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 A max.
• Power supply requirement : 13.8 V DC (negative ground)
• Frequency stability
: ±10 ppm
• Operating temp. range
: –20°C to +60°C; –4°F to +140°F
• Antenna impedance
: 50
ø
nominal
• Input impedance (MIC)
: 2 k
ø
• Output impedance (audio) : 4
ø
• Dimensions
: 164(W)
×
78(H)
×
139.5(D) mm
(Projections not included) 6.46(W)
×
3.07(H)
×
5.49(D) in
• Weight
: Approximately 1060 g; 2.4 lb
D
Transmitter
• RF output power
: 25 W (High)/1 W (Low)
• Modulation system
: Variable reactance frequency
modulation
• Max. frequency deviation : ±5.0 kHz
• Spurious emissions
: Less than 70 dBc (High)
Less than 56 dBc (Low)
• Adjacent channel power : More than 70 dB
• Audio harmonic distortion : Less than 10%
(at 60% deviation)
• Residual modulation
: More than 40 dB
• Audio frequency response : +1 to –3 dB of 6 dB/octave
range from 300 to 2500 Hz
D
Receiver
• Receive system
: Double conversion
superheterodyne
• Sensitivity (12 dB SINAD)
: –120 dBm (typical)
• Squelch sensitivity
: Less than –115 dBm
• 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
ø
load
All stated specifications are subject to change without notice or obligation.