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Desktop Shortwave Transmitter
Desktop Shortwave receiver
Desktop HF/VHF Receiver

General

HAM bands 80m  40m  20m  15m  10m  160m  80m  40m  20m  ?
Freq. stability ? ? ?
Tuning steps ? ? ?

Receiver

RX-range - 1.5-20 MHz 0.54-55 MHz in five bands
Modulations - AM   CW   AM   CW  
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? 9 tube superhet 9 tubes
IF-freqs. ? 495 kHz ?
Image rejection ? ? ?
Audio output ? External speaker or headphones ?

Transmitter

TX-range 10-80 m - -
Modulations AM   CW   SSB   - -
RF-output AM: 500 W, SSB: 1 KW, CW: 600 W - ?

Connections

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

Electrical

Power req. Mains Mains or 6/170V Mains
Current RX - ? ?
TX ? - -

Physical

Manufactured Between 196x and 196x in USA Between 1932 and 1934 in USA Between 1947 and 1951 in USA
Dimensions ? ? ?
Weight ? ? ?
Form factor Base Station Base Station Base Station

Other features

Memories ? None ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? - ?
Accessories ? External power supply 5886AB ?
MPN E.F.-JOHNSON-INVADER-002000 NATIONAL-COMPANY-AGS NATIONAL-COMPANY-NC-000057