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Last modified 2026-02-06

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Icom IC-4GA

A picture of Icom IC-4GA

SPECIFICATIONS

GENERAL
Type:Amateur UHF transceiver
Frequency range: Australia
TX: 430-440 MHz
RX: 430-440 MHz
Tuning steps:5 / 10 / 15 / 20 / 25 KHz
Frequency stability:Max ? ppm
Mode:FM
Channels / memory management: 20 regular
1 call
Repeater shift / offset:Programmable
Power supply:7.2-13.2 VDC (Depending on battery pack)
or 5.5-16 VDC external
Current drain / power consumption:RX: 12-250 mA
TX: Max 2.3 A
Antenna impedance / connector:50 ohm / BNC
Dimensions (W*H*D):65*130*35 mm (2.56*5.12*1.38"), with BP-3
Weight:430 g (15.17 oz), with BP-3
Other features:CTCSS/PL option.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 23.15 MHz
2nd IF: 455 KHz
Sensitivity:0.25 uV (12 dB SINAD)
Squelch sensitivity:Less than 0.1 uV (Threshold)
Noise figure:
Selectivity:
Image rejection:
AF output power / speaker:400 mW at 10% distortion / 8 ohm
External speaker connector:




TRANSMITTER SECTION
RF output power:

HighLow
70 cm:6 W1 W
Modulation system:Variable reactance frequency modulation
Max FM deviation (Factory set):±5 KHz
Spurious emissions:Better than -60 dB
Microphone impedance / connector:2 Kohm / ?-pin
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1988-198x (Discontinued)
Additional info:
Related documents: User manual (2.1 MB)
Service manual (2.4 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
AD-12
BC-16
BC-35
BP-2
BP-3
BP-5
BP-5A
BP-7
BP-8
BP-70
CP-10
HM-46L
HS-10
HS-10A
HS-10B
LC-38
LC-39
LC-40
UT-40
Power adapter
Wall charger
Desk charger
NiCd battery pack. 7.2 VDC, 450 mAh
NiCd battery pack. 8.4 VDC, 270 mAh
NiCd battery pack. 10.8 VDC, 450 mAh
NiCd battery pack. 10.8 VDC, 450 mAh
NiCd battery pack. 13.2 VDC, 450 mAh
NiCd battery pack. 8.4 VDC, 800 mAh
NiCd battery pack. 13.2 VDC, 270 mAh
Battery separation cable
Speaker-microphone
Headset (Requires HS-10A and B)
VOX unit for HS-10
PTT switchbox for HS-10
Carrying case, for use with BP-2, BP-3 and BP-4
Carrying case, for use with BP-5, and BP-70
Carrying case, for use with BP-5A, BP-7 and BP-8
Tone squelch unit