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Mobile CB Transceiver
Desktop Transceiver
Single Band Transverter + Linear Amp

General

HAM bands 11m (CB)  11m (CB)  40m 
Freq. stability ? ? 0.005%
Tuning steps Channelized Channelized Not applicable

Receiver

RX-range 26.965-27.405 MHz 26.965-27.255 MHz ?
Modulations AM   AM   -
Sensitivity ? 0.5 µV ≤ 0.5 µV
Selectivity ? 6 kHz @ -6 dB
30 kHz @ -60 dB
?
Filters ? ? ?
Receiver system ? Dual conversion superheterodyne ?
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? 3 W ?

Transmitter

TX-range 26.965-27.405 MHz 26.965-27.255 MHz 40 m
Modulations AM   AM   AM   FM   SSB  
RF-output 3.5 W 5 W SSB: 300 W, AM/FM: 220 W

Connections

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

Electrical

Power req. 13.8 V DC 12 V DC 13.8 V DC
Current RX ? ? 0.3 A
TX ? ? 25 A

Physical

Manufactured Between 1983 and 198x in Japan Between 195x and 196x in USA Between 20xx and 20xx in Brazil
Dimensions ? 157 × 55 × 222 mm
(6.18 × 2.17 × 8.74 in)
167 × 102 × 260 mm
(6.57 × 4.02 × 10.24 in)
Weight ? 2.30 kg (5.1 lbs) 2.93 kg (6.5 lbs)
Form factor Mobile Mobile Base Station

Other features

Memories 40 channels in 1 bank(s) 12 channels in 1 bank(s) None
Usage Citizen Band (27Mc) Citizen Band (27Mc) Amateur / Ham radio operators
Features - PA output use in vehicle ?
Accessories - ? ?
MPN COMMANDER-TX-000025 E.F.-JOHNSON-MESSENGER-III ZAMIN-TR000500