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Mobile VHF Transceiver
Desktop VHF Transceiver
Mobile VHF Transceiver

General

HAM bands 2m  6m  ?
Freq. stability ? ? ?
Tuning steps 25 kHz (12.5 kHz mod exists) kHz ? 15 kHz

Receiver

RX-range 144-146 MHz 50-54 MHz 146-148 MHz
Modulations FM   AM   FM   CW   SSB   FM  
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system Double conversion superheterodyne ? Double conversion + XTAL
IF-freqs. 1st: 10.7 MHz
2nd: 455 kHz
? 1st: 10.7 MHz
2nd: 455 kHz
Image rejection ? ? ?
Audio output ? ? ?

Transmitter

TX-range 144-146 MHz 50-54 MHz 146-148 MHz
Modulations FM   AM   FM   CW   SSB   FM  
RF-output High: 10 W, Low: 1 W 1-50 W (AM: 0-25 W) 1 / 10 W

Connections

Antenna SO-239 SO-239 SO-239
Impedance 50 Ω 50 Ω 50 Ω
Other - - -

Electrical

Power req. 13.8V DC 13.8V DC 13.8V DC
Current RX ? Max 0.7 A ?
TX ? Max 15 A ?

Physical

Manufactured Between 1977 and 19xx in Japan Between 19xx and 19xx Between 197x and 19xx in Japan
Dimensions 156 × 58 × 218 mm
(6.14 × 2.28 × 8.58 in)
241 × 111 × 311 mm
(9.49 × 4.37 × 12.24 in)
?
Weight ? 6.60 kg (14.6 lbs) ?
Form factor Mobile Base Station Mobile

Other features

Memories 22 channels in 1 bank(s) ? 22 channels in 1 bank(s)
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features 22 diode programmable channels, 25 kHz spacing. ? ?
Accessories ? ? ?
MPN ICOM-IC-000240 ICOM-IC-000551D ICOM-IC-000022S