Icom IC-M411 - General Specifications; Transmitter Specifications; Receiver Specifications

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SPECIFICATIONS AND OPTION
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n Specifications
D General
• Frequency coverage : Tx 156.000–161.450 MHz
Rx 156.000–163.425 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 (10.8 to 15.6 V)
(negative ground)
• Frequency stability : Less than ±1.5 kHz
• Operating temp. range : –20°C to +60°C
• 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)
• Weight : Approx. 1080 g
D Transmitter
• RF output power : 25 W/1 W
• Modulation system : Variable reactance frequency
modulation
• Max. frequency deviation : ±5.0 kHz
• Spurious emissions : Less than 0.25 µW
• 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 3000 Hz
D Receiver
• Receive system : Double conversion
superheterodyne
• Sensitivity (20 dB SINAD) : –5 dBµ emf (typical)
• Squelch sensitivity : Less than –2 dBµ emf
• Intermodulation rejection ratio : More than 68 dB
• Spurious response rejection ratio : More than 70 dB
• Adjacent channel selectivity : More than 70 dB
• Audio output power : More than 2.0 W
at 10% distortion
with a 4
ø load
All stated specifications are subject to change without
notice or obligation.