Icom IC-451A Amateur UHF Transceiver

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Icom IC-451A

Type:Amateur UHF transceiver
Frequency range:430-440 MHz
Tuning steps:100 Hz
1 / 5 KHz
Mode:FM/SSB/CW
Channels/memory management:3 regular
Repeater shift/offset:No dedicated. Use VFO A/B split
Power supply:13.8 VDC ±15% or mains: 117 VAC ±10%
Current drain/power consumption:RX: 600-800 mA
TX: Max 3.5 A
Antenna impedance/connector:50 ohms / N-jack
Dimensions (W*H*D):241*111*264 mm (9.5*4.37*10.4")
Weight:7.2 Kg (15.9 lbs)
Other features:NB, VOX




RECEIVER SECTION
Receiver system:Double conversion superheterodyne (SSB/CW)
1st IF: 39.38 MHz
2nd IF: 10.75 MHz
Triple conversion superheterodyne (FM)
1st IF: 39.38 MHz
2nd IF: 10.75 MHz
3rd IF: 455 KHz
Sensitivity:FM: 0.6 uV (20 dB noise quieting)
SSB/CW: 0.5 uV (10 dB S+N/N)
Selectivity:FM: 15 KHz (-6 dB), 30 KHz (-60 dB)
SSB/CW: 2.4 KHz (-6 dB), 4.8 KHz (-60 dB)
Image rejection:
AF output power/speaker:2 W at ?% distortion / 8 ohms
External speaker connector:




TRANSMITTER SECTION
RF output power: 1-10 W adjustable
Modulation system:FM: Variable reactance
SSB: Balanced
Max FM deviation:±5 KHz
Spurious emissions:Less than -60 dB
Microphone impedance/connector:1.3 kohm / 8-pin




MISCELLANEOUS
Manufactured:Japan, 1980-198x (Discontinued)
Additional info:
Related documents:User manual (5.9 MB)
Modifications:
Options/Accessories:
IC-EX1
IC-EX2
IC-HM10
IC-HP1
IC-MB5
IC-SM5
IC-SP2
Extension terminal
Extension terminal with 25 KHz marker
Hand microphone with scanning
Headphones
Mobile mounting bracket
Desk microphone
External speaker
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