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SPECIFICATIONS AND OPTIONS
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Specifications
L
All stated specifications are subject to change without notice or obligation.
L
Measurements made without an antenna.
General
IC-M37
IC-M37E
IC-M37E (AUS)
Frequency
coverage
TX
156.025 ~
157.425 MHz
156.000 ~
161.450 MHz
156.025 ~
157.425 MHz
RX
156.050 ~
163.275 MHz
156.000 ~
163.425 MHz
156.300 ~
162.000 MHz
Type of emission
16K0G3E (FM)
Antenna impedance
50 Ω nominal
Input impedance (MIC)
2 kΩ
Output impedance
(audio)
External
4 Ω
Internal
8 Ω
Operating temperature range
–20°C ~ +60°C,
–4ºF ~ +140ºF
–15°C ~ +55°C,
5ºF ~ 131ºF
–10°C ~ +55°C,
14ºF ~ 131ºF
Power supply voltage
Negative ground: 3.7 V DC nominal
Current drain
(at 3.7 V DC)
(approximate)
Maximum
audio
External speaker: 0.2 A
Internal speaker: 0.4 A
TX high
6 W:
1 W:
2.75 A
1.0 A
5 W: 2.6 A
1 W: 1.0 A
Dimensions
(projections not included)
59.7 (W) × 140.5 (H) × 38.7 (D) mm
2.4 (W) × 5.5 (H) × 1.5 (D) in
Weight (approximate)
293 g, 10.3 oz
(including battery pack, antenna, and belt clip)
Transmitter
IC-M37
IC-M37E
IC-M37E (AUS)
Rated output power
6 W or 1 W
5 W or 1 W
Modulation
Variable reactance frequency modulation
Maximum frequency deviation
±5 kHz
Frequency error
±10 ppm
±1.5 kHz
±10 ppm
Spurious emissions
–68 dBc (typical)
0.25 μW
0.25 μW (typical)
Adjacent channel power
70 dB
Audio harmonic distortion
(at 60% Deviation)
10%
Residual modulation
40 dB
Audio frequency response
+1 dB ~ –3 dB of 6 dB octave from 300 Hz ~ 3000 Hz
Receiver
IC-M37
IC-M37E
IC-M37E (AUS)
Sensitivity (typical)
0.25 μV
at 12 dB SINAD
–4 dBμ
at 20 dB SINAD
Squelch sensitivity
(typical) (at threshold)
0.25 μV
–5 dBμ
Audio output power
(at 10% distortion)
External
(with 4 Ω)
0.3 W (typical)
0.2 W
Internal
(with 8 Ω)
0.7 W (typical)