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Last modified 2026-05-10

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Icom IC-4GXA

A picture of Icom IC-4GXA

SPECIFICATIONS

GENERAL
Type:Amateur UHF transceiver
Frequency range: USA
TX: 440-450 MHz
RX: 440-450 MHz
Australia
TX: 430-440 MHz
RX: 430-440 MHz
Tuning steps:5 / 10 / 12.5 / 15 / 20 / 25 / 30 / 50 KHz
Frequency stability:±5 ppm @ 0 to 50°C (32 to 122°F)
Mode:FM
Channels / memory management: 40 regular
1 call
1 scan edge pair (Programmed scan)
5 second timer or 2 second paused scan resume
Repeater shift / offset:Programmable
Power supply:7-12 VDC (Depending on battery pack)
or 6-16 VDC external
Current drain / power consumption:RX: 35-250 mA
TX: Max 1.8 A
Antenna impedance / connector:50 ohm / BNC
Dimensions (W*H*D):57*125*35 mm (2.2*4.9*1.4"), with BP-130A or BP-160
Weight:365 g (12.9 oz), with BP-160
Other features: CTCSS/PL encoder (USA only).




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 35.8 MHz
2nd IF: 455 KHz
Sensitivity:0.18 uV (12 dB SINAD)
Squelch sensitivity:Less than 0.16 uV (Threshold)
Noise figure:
Selectivity:15 KHz (-6 dB)
30 KHz (-60 dB)
Image rejection:60 dB
AF output power / speaker:300 mW at 10% distortion / 8 ohm
External speaker connector:TS "Minijack" (3.5 mm), 8 ohm




TRANSMITTER SECTION
RF output power:

High
@13.5V
High
@7.2V
Low
@13.5V
Low
@7.2V
70 cm:6 W2.5 W1 W1 W
Modulation system:
Max FM deviation (Factory set):±5 KHz
Spurious emissions:Better than -60 dB
Microphone impedance / connector:1 Kohm / TRS "Subminijack" (2.5 mm)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1994-199x (Discontinued)
Additional info:
Related documents: User manual (3.2 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
AD-25
AD-28
BC-77
BC-79
BC-105
BP-130A
BP-157A
BP-160
BP-174
CP-13L
HM-46
HM-54
HM-55A
HS-51
LC-118
LC-119
MB-30
OPC-288L
SP-13
UT-86
Battery charge adapter
Battery pack adapter
Wall charger
Desktop charger
Wall charger
Battery case. Six R6 / AA batteries
NiCd battery pack. 7.2 V, 900 mAh
NiCd battery pack. 7.2 V, 700 mAh
NiCd battery pack. 12 V, 600 mAh
Cigarette lighter cable with noise filter
Speaker-microphone
Speaker-microphone
Speaker-microphone with DTMF keypad
Headset
Carrying case. For use with BP-130A/157A/160
Carrying case. For use with BP-174
Mounting bracket
DC power cable
Earphone
Tone squelch unit