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Last modified 2021-03-26

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Icom IC-820H

A picture of Icom IC-820H

SPECIFICATIONS

GENERAL
Type:Amateur VHF/UHF transceiver
Frequency range: TX: 144-146 / 430-440 MHz (Europe)
TX: 144-148 / 430-450 MHz (USA and Australia)
TX: 144-146 / 432-438 MHz (Sweden)
RX: 136-174 / 420-460 MHz (Modification may be required)
Tuning steps:1 / 10 / 50 / 100 Hz, 5 / 10 / 12.5 / 20 / 25 / 100 KHz
Frequency stability:3 ppm @ -10 to +60C (14 to 140F)
Mode:FM / SSB / CW
Channels/memory management: 50 regular per band
1 call per band
2 scan edges per band
10 satellite
RAM storage with lithium battery backup (CR2032)
Repeater shift/offset:Programmable
Power supply:13.8 VDC 15%
Current drain/power consumption:RX: 2 to 2.5 A
TX: 7 to 16 A
Antenna impedance/connector:50 ohm / SO-239 + N-jack
Dimensions (W*H*D):241*94*239 mm (9.5*3.7*9.4")
Weight:5 Kg (11 lb)
Other features: Satellite memory and tracking sysem with doppler compensation. IF-shift. CI-V interface.
9K6 packet ready. CTCSS/PL encoder (US & Australian versions only).




RECEIVER SECTION
Receiver system:Single, double or triple conversion superheterodyne, depending on band and mode
IF matrix
Sensitivity:FM: 0.18 uV (12 dB SINAD)
SSB/CW: 0.11 uV (10 dB S/N)
Selectivity:FM: 15 KHz (-6 dB), 30 KHz (-60 dB)
SSB/CW: 2.3 KHz (-6 dB), 4.2 KHz (-60 dB)
CW narrow (option): 500 Hz (-6 dB), 1.34 KHz (-60 dB)
Image rejection:60 dB
AF output power/speaker:2 W at 10% distortion / 8 ohm
External speaker connector:




TRANSMITTER SECTION
RF output power:

HighLow
2 m FM/CW:45 W6 W
2 m SSB:35 W6 W
70 cm FM/CW:40 W6 W
70 cm SSB:30 W6 W
Modulation system:FM: Variable reactance
SSB: Balanced
Max FM deviation:5 KHz
Spurious emissions:Less than -60 dB
Microphone impedance/connector:600 ohm / 8-pin (Metal locking ring connector)
Microphone input sensitivity:? mV




MISCELLANEOUS
Manufactured:Japan, 1994-199x (Discontinued)
Additional info:New price 1994 in Sweden: SEK 22905:-
Related documents:User manual (5.2 MB)
Modifications and fixes:
Reviews:
Options/Accessories:
AG-25
AG-35
CR-293
CT-17
FL-132
HM-12
HM-14
IC-MB5
IC-PS15
IC-SP3
MB-23
PS-30
PS-55
SM-6
SM-8
SM-20
SP-7
SP-20
SP-21
UT-36
UT-50
External preamplifier, 2m
External preamplifier, 70 cm
High-stability crystal unit
CI-V level converter
CW narrow filter, 500 Hz
Standard hand microphone
Hand microphone with DTMF pad
Mobile mounting bracket
Heavy duty transformer power supply, 13.8 VDC, 20 A
External speaker, 4 W, 8 ohms
Carrying handle
Lightweight switch mode power supply, 13.8 VDC, 25 A
Matching transformer power supply, 13.8 VDC, 20 A
Electret desk microphone
Electret desk microphone with 2 line out and up/down switches
Electret desktop microphone with Up/down and low cut switches
External speaker, 5 W, 8 ohm
External speaker with filters, 5 W, 8 ohm
External speaker, 5 W, 8 ohm
Voice synthesizer unit
Tone squelch unit (CTCSS/PL) with tone scan