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Desktop Shortwave Transmitter
Amateur Base Station Antenna tuner
Amateur Base Station Antenna tuner

General

HAM bands 160m  80m  40m  20m  15m  10m  160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  10m  160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  10m 
Freq. stability ? ? ?
Tuning steps Continuous ? ?

Receiver

RX-range - 1.8-54 MHz 1.8-54 MHz
Modulations - All mode   All mode  
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? ? ?
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? ?

Transmitter

TX-range 160-10 m 1.8-54 MHz 1.8-54 MHz
Modulations AM   CW   SSB   All mode   All mode  
RF-output AM: 200 W, SSB/CW: 275 W ? 10 W

Connections

Antenna - SO-239 BNC
Impedance 50/600Ω ? ?
Other - - -

Electrical

Power req. Mains 12-14 V DC 2x 3,7 Volt 350 mA Lithium-ion
Current RX - < 500 mA ?
TX ? ? ?

Physical

Manufactured Between 1962 and 1965 in USA Between 202x and 20xx in China Between 202x and 20xx in China
Dimensions 530 × 290 × 410 mm
(20.87 × 11.42 × 16.14 in)
200 × 40 × 130 mm
(7.87 × 1.57 × 5.12 in)
67 × 29 × 151 mm
(2.64 × 1.14 × 5.94 in)
Weight 33.00 kg (72.8 lbs) 800 gr (1.8 lbs) 237 gr (8.4 oz)
Form factor Base Station Base Station Base Station

Other features

Memories ? 16000 channels in 1 bank(s) 16000 channels in 1 bank(s)
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features XTAL and VFO ? ?
Accessories ? ? ?
MPN EF-JOHNSON-VIKING-VALIANT-II MAT-TUNER-MAT-000040 MAT-TUNER-MAT-000750-PLUS