E.F. Johnson Messenger III

Desktop Transceiver

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Almost similar to the E.F. Johnson Messenger 300.
This rig requires a pair (transmit/receive) of crystals for each channel.

General characteristics

HAM bands
11m (CB) 
Frequency stability
?
Tuning steps
?

Receiver

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

Transmitter

TX-range
26.965-27.255 MHz
Modulations
AM  
RF-Output
5 W

Connections

Antenna
-
Impedance
50Ω
Other
-

Electrical

Power requirements
12 V DC
Current drain RX
?
TX
?

Physical

Manufactured
Between 195x and 196x in USA
Dimensions (w×h×d)
157 × 55 × 222 mm (6.18 × 2.17 × 8.74 in)
Weight
2.30 kg (5.1 lbs)
Form factor
Mobile

Other features

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

Manuals, diagrams and brochures

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