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Desktop Shortwave Transmitter
Desktop Shortwave receiver
Desktop Transceiver

General

HAM bands 80m  40m  20m  15m  10m  ? 11m (CB) 
Freq. stability ? ? ?
Tuning steps ? ? Channelized

Receiver

RX-range - 0.55-30 MHz 26.965-27.255 MHz
Modulations - AM   CW   AM  
Sensitivity ? ? 0.4 µV for 10 dB S/N
Selectivity ? ? 7 kHz @ -6 dB
21 kHz @ -60 dB
Filters ? ? ?
Receiver system ? ? Crystal controlled single conversion superheterodyne
IF-freqs. ? ? 455 kHz
Image rejection ? ? ?
Audio output ? ? 3 W

Transmitter

TX-range 80-10 m - 26.965-27.255 MHz
Modulations CW   - AM  
RF-output 30 W ? 2.8 W

Connections

Antenna - - -
Impedance ? ? 50Ω
Other - - -

Electrical

Power req. Mains Mains Mains
Current RX - ? ?
TX ? - ?

Physical

Manufactured Between 196x and 196x in USA Between 196x and 196x Between 195x and 196x in USA
Dimensions ? ? 143 × 178 × 290 mm
(5.63 × 7.01 × 11.42 in)
Weight ? ? 5.40 kg (11.9 lbs)
Form factor Base Station Base Station Base Station

Other features

Memories ? ? 10 channels in 1 bank(s)
Usage Amateur / Ham radio operators Amateur / Ham radio operators Citizen Band (27Mc)
Features XTAL or external VFO ? ?
Accessories ? ? ?
MPN E.F.-JOHNSON-VIKING-ADVENTURER LAFAYETTE-HE-000040 E.F.-JOHNSON-MESSENGER-II