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Mobile Transceiver
Desktop Transceiver
Desktop Transceiver

General

HAM bands 11m (CB)  11m (CB)  11m (CB) 
Freq. stability ? ? ?
Tuning steps ? Channelized Channelized

Receiver

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

Transmitter

TX-range 26.965-27.255 MHz 26.965-27.255 MHz 26.965-27.255 MHz
Modulations AM   AM   AM  
RF-output ? 5 W 3 W

Connections

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

Electrical

Power req. ? 12 V DC Mains
Current RX ? ? ?
TX ? ? ?

Physical

Manufactured Between 19xx and 19xx Between 195x and 196x in USA Between 195x and 196x in USA
Dimensions ? 157 × 55 × 222 mm
(6.18 × 2.17 × 8.74 in)
157 × 55 × 222 mm
(6.18 × 2.17 × 8.74 in)
Weight ? 2.30 kg (5.1 lbs) 2.30 kg (5.1 lbs)
Form factor Mobile Mobile Base Station

Other features

Memories ? 12 channels in 1 bank(s) 12 channels in 1 bank(s)
Usage Citizen Band (27Mc) Citizen Band (27Mc) Citizen Band (27Mc)
Features ? PA output use in vehicle ?
Accessories ? ? ?
MPN EICO-FB-000010 E.F.-JOHNSON-MESSENGER-III E.F.-JOHNSON-MESSENGER-000300