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Mobile VHF Transceiver
Desktop Transceiver
Base Station CB Transceiver

General

HAM bands 2m  11m (CB)  11m (CB) 
Freq. stability ± 10 p.p.m. (-10 °C ~ +60 °C) ? ?
Tuning steps 5 / 10 / 12.5 / 15 / 20 / 25 / 1000 kHz Channelized Channelized

Receiver

RX-range 136-174 MHz 26.965-27.255 MHz 26,965-27,405 MHz
Modulations FM   AM   FM  
Sensitivity < 0.16 µV (12 dB SINAD) 0.4 µV for 10 dB S/N ?
Selectivity ? 7 kHz @ -6 dB
21 kHz @ -60 dB
?
Filters ? ? ?
Receiver system Double conversion superheterodyne Crystal controlled single conversion superheterodyne ?
IF-freqs. 1st: 17.2 MHz
2nd: 455 kHz
455 kHz ?
Image rejection > 60 dB ? ?
Audio output 2.4 W @ 10% THD into 8 ohm 3 W Internal speaker

Transmitter

TX-range 144-146 MHz 26.965-27.255 MHz 26,965-27,405 MHz
Modulations FM   AM   FM  
RF-output High: 25 W, Low 3: 10 W, Low 2: 5 W, Low 1: 1 W 2.8 W 4 W

Connections

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

Electrical

Power req. 13.8V DC Mains 13.8 V DC
Current RX Max 0.5 A ? ?
TX Max 6 A ? ?

Physical

Manufactured Between 1990 and 19xx Between 195x and 196x in USA Between 198x and 198x in USA
Dimensions 140 × 40 × 105 mm
(5.51 × 1.57 × 4.13 in)
143 × 178 × 290 mm
(5.63 × 7.01 × 11.42 in)
?
Weight 750 gr (1.7 lbs) 5.40 kg (11.9 lbs) ?
Form factor Mobile Base Station Mobile

Other features

Memories 20 channels in bank(s) 10 channels in 1 bank(s) 40 channels in 1 bank(s)
Usage Amateur / Ham radio operators Citizen Band (27Mc) Citizen Band (27Mc)
Features PLL IC: PLL2001 ? ?
Accessories ? ? ?
MPN ICOM-IC-000229E E.F.-JOHNSON-MESSENGER-II PRESIDENT-KP-000033