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IC-F3031S / F4031S

VHF / UHF transceiver

specifications

Specifications

General
Frequency Coverage IC-F3031S: 136-147MHz
IC-F4031S: 400-470MHz, 450-512MHz
Number of channels 128 channels / 8 zones
Type of emission 16K0F3E / 11K0F3E
Channel spacing IC-F3031S: 25 / 12.5 kHz, 30/15 kHz
IC-F4031S: 25 / 12.5 kHz
Power supply requirement 7.2V DC nominal
Current drain (approx.)
Tx High
Rx Max. audio/Standby
IC-F3031S
1.5A (at 5W)
250mA/75mA
IC-F4031S
16A (at 4W)
300mA/75mA
Antenna impedance 50Ω
Operating temperature range –30°C to +60°C
–22°F to +140°F
Dimensions (with BP-232N)
(projections are not included)
53 (W) ×120 (H) ×37 (D) mm; 2.09x4.72x1.46in.
(With BP-232WP)
Weight (approx.) 310g; 10.9oz (with BP-232WP)
Transmitter
Output power IC-3031S: 5W, 2W, 1W (Hi, L2, L1)
IC-4031S: 4W, 2W, 1W (Hi, L2, L1)
Max. frequency deviation ±5.0 / ±2.5 kHz (Wide/narrow)
Frequency stability ±2.5ppm
Spurious emissions IC-3031S: 80dB typ.
IC-4031S: 70dB min.
FM Hum and Noise 46 / 40dB typ. (Wide/narrow)
Audio harmonic distortion 3% typ. (AF 1 kHz, 40% deviation)
External microphone connector 3-conductor 2.5 (d) mm (110″)/2.2kΩ
Receiver
Sensitivity 0.25μV typ.
Adjacent channel selectivity 75 / 65dB typ. (Wide / narrow)
Spurious response rejection 70dB min.
Intermodulation rejection IC-F3031S: 75dB typ.
IC-F4031S: 74dB typ.
Hum and noise ratio IC-F3031S: 55/50dB typ. (W/N)
IC-F4031S: 45/40dB typ. (W/N)
Audio output power 500mW typ.
(at 5% distortion with an 8Ω load)
External speaker connector 2-conductor 3.5 (d) mm (18″)/8Ω

Applicable U.S. Military Specifications and IP Rating

Standard MIL 810 F
Method Proc
Low Pressure 500.5 I, II
High Temp. 501.5 I, II
Low Temp. 502.5 I, II
Temp. Shock 503.5 I-C
Solar Radiation 505.5 I
Rain Blowing/Drip 506.5 I, III
Humidity 507.5 II
Salt Fog 509.5 -
Dust Blowing 510.5 I
Immersion 512.5 I
Vibration 514.6 I
Shock 516.6 I, IV

Also meets equivalent MIL-STD-810-C, -D and -E.
Ingress Protection Standard: Dust and water – IP54 (dust-protection and water resistant)

All stated specifications are subject to change without notice or obligation.

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