RigPix logo

Icom logo


Back to main

Back to Icom

Next HT/portable


Copyright logo


Last modified 2021-02-12

Valid HTML 4.01 Transitional

Icom IC-4A

A picture of Icom IC-4A

SPECIFICATIONS

GENERAL
Type:Amateur UHF transceiver
Frequency range:440-450 MHz (USA)
Tuning steps:5 / 10 / 100 KHz
1 MHz
Frequency stability:2.5 KHz @ -10 to +60C (14 to 140F)
Mode:FM
Channels/memory management:No
Repeater shift/offset:5 MHz
Power supply:6-12 VDC
Current drain/power consumption:RX: 22-170 mA
TX: 700 mA @ 1.5 W
Antenna impedance/connector:50 ohm / BNC
Dimensions (W*H*D):65*165*35 mm (2.56*6.5*1.38"), with BP-3
Weight:470 g (1.04 lbs), with BP-3 and supplied antenna
Other features:




RECEIVER SECTION
Receiver system:Double conversion superheterodyne
1st IF: 21.8 MHz
2nd IF: 455 KHz
Sensitivity:0.5 uV (20 dB noise quieting)
Selectivity:15 KHz (-6 dB)
30 KHz (-60 dB)
Image rejection:
AF output power/speaker:400 mW at ?% distortion / 8 ohm
External speaker connector:3.5 mm, 8 ohm




TRANSMITTER SECTION
RF output power: Hi: 1.5-2.3 W (Depending on voltage/battery pack)
Lo: 150 mW
Modulation system:Variable reactance frequency modulation
FM deviation:5 KHz
Spurious emissions:Less than -60 dB
Microphone impedance/connector:? ohm / 2-pole (2.5 mm)
Microphone input sensitivity:? mV




MISCELLANEOUS
Manufactured:Japan, 1981-1990 (Discontinued)
Additional info:
Related documents: User manual (1.6 MB)
FM-IF: MC3357
Modifications:
Reviews:
Options/Accessories:
BC-25U
BC-30
BP-2
BP-3
BP-4
BP-5
CP-1
HM-9
Wall charger
Desktop rapid charger
Rechargeable NiCd battery pack. 7.2 V, 400/450 mAh
Rechargeable NiCd battery pack. 8.4 V, 270 mAh
Dry cell battery case. 6*LR6/AA
Rechargeable NiCd battery pack. 10.8 V, 450 mAh
Cigarette lighter cable
Speaker-microphone