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Last modified 2023-09-18

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Icom IC-04AT

A picture of Icom IC-04AT

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 / 15 / 20 / 25 KHz
Frequency stability:0.001% @ -10° to +60° C (+14° to +140° F)
Mode:FM
Channels / memory management: 7 regular (M2 to M8)
1 Call (M1), also serves as priority channel
2 program scan edges (M9 and M0)
Repeater shift / offset:±0 to 9.99 MHz in 10 KHz steps
Power supply:5.5-16 VDC (Battery pack)
or external (Barrel connector)
Current drain / power consumption:RX: 45-150 mA
TX: ~1.25 A @ 2.5 W
Antenna impedance / connector:50 ohm / BNC
Dimensions (W*H*D):65*117*35 mm (2.56*4.6*1.38"), without battery pack
Weight:515 g (1.13 lb), with BP-3 and supplied antenna
Other features:Backlit display. CTCSS/PL encoder.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 21.8 MHz
2nd IF: 455 KHz
Sensitivity:0.3 uV (12 dB SINAD)
Selectivity:15 KHz (-6 dB)
30 KHz (-60 dB)
Image rejection:
AF output power / speaker:500 mW at 10% distortion / 8 ohm
External speaker connector:3.5 mm, 8 ohm




TRANSMITTER SECTION
RF output power:

HighLow
70 cm:2.5-5 W500 mW

NB! The High output level depends on battery pack/voltage
Modulation system:Variable reactance
Max FM deviation (Factory set):±5 KHz
Spurious emissions:Better than -60 dB
Microphone impedance / connector:? ohm / Internal or 2-pin (2.5 mm)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1983-1990 (Discontinued)
Additional info:New price 1989 in the US: $389.95
Related documents: User manual (4 MB)
Service manual (12.7 MB)
Modifications:
Reviews:
Options / Accessories:
BC-16U
BC-25U
BC-30
BC-35
BP-2
BP-3
BP-4
BP-5
BP-7
BP-8
CP-1
HM-9
HS-10
HS-10SA
HS-10SB
LC-11
LC-12
LC-14
Wall charger (USA). For BP-7 and BP-8
Wall charger (USA)
Desk rapid charger
Desk rapid charger
NiCd battery pack. 7.2 V, 450 mAh
NiCd battery pack. 8.4 V, 270 mAh
Battery case. For six LR6 / AA dry cells or NiCd's
NiCd battery pack. 10.8 V, 450 mAh
NiCd battery pack. 13.2 V, 450 mAh
NiCd battery pack. 8.4 V, 800 mAh
Cigarette lighter cable
Speaker-microphone
Headset
Vox unit for HS-10
PTT switch box for HS-10
Carrying case. For use with BP-2, BP-3 and BP-4
Carrying case. For use with BP-5
Carrying case. For use with BP-7 and BP-8