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VHF Transceiver
Desktop VHF Transceiver
Desktop VHF Transceiver

General

HAM bands 2m  2m  6m 
Freq. stability ? ? ± 150 Hz per hour after warm-up
Tuning steps ? 5 / 1 / 0.1 kHz ?

Receiver

RX-range 138-174 MHz 144-146 MHz 50-54 MHz
Modulations FM   FM   CW   SSB   FM   CW   SSB  
Sensitivity ? SSB/CW: Better than 0.5 µV (10 dB S+N/N)
FM: Better than 0.6 µV for 20 dB noise quieting
?
Selectivity ? SSB/CW: 2.4 kHz (-6 dB), 4.8 kHz (-60 dB)
FM: 15 kHz (-6 dB), 30 kHz (-60 dB)
?
Filters ? ? ?
Receiver system ? ? ?
IF-freqs. ? ? ?
Image rejection ? More than 60 dB ?
Audio output ? ? ?

Transmitter

TX-range 140.1-150 MHz 144-146 MHz 50-54 MHz
Modulations FM   FM   CW   SSB   FM   CW   SSB  
RF-output High: 25 W, Low: 5 W 1-10 W SSB/CW: 10 W, AM: 2.5 W

Connections

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

Electrical

Power req. 13.8V DC 13.8V DC or mains 13.8V DC or mains
Current RX ? Max 0.6 A ?
TX Max 6 A Max 2.3 A ?

Physical

Manufactured Between 19xx and 19xx Between 1980 and 198x in Japan Between 197x and 197x
Dimensions 140 × 50 × 137 mm
(5.51 × 1.97 × 5.39 in)
241 × 111 × 264 mm
(9.49 × 4.37 × 10.39 in)
?
Weight ? 5.00 kg (11.0 lbs) ?
Form factor Unknown Base Station Base Station

Other features

Memories 20 channels in 1 bank(s) 3 channels in 1 bank(s) ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? ? ?
Accessories ? ? ?
MPN ICOM-IC-000228A ICOM-IC-000251E ICOM-IC-000501