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Desktop Shortwave Transmitter
Remotely operated HF/VHF SDR transceiver
Remotely operated HF/VHF SDR transceiver

General

HAM bands 160m  80m  40m  20m  15m  10m  160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  6m  10m  160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  6m  10m 
Freq. stability ? (0⁰C – 50⁰C) 0.5 p.p.m. (TCXO) (0⁰C – 50⁰C) 0.5 p.p.m. (TCXO)
Tuning steps Continuous 1 Hz 1 Hz

Receiver

RX-range - 30 kHz – 54 MHz 30 kHz – 54 MHz
Modulations - AM   AM-sync   FM   N-FM   CW   USB   LSB   RTTY   Digital (other)   DV   AM   AM-sync   FM   N-FM   CW   USB   LSB   RTTY   Digital (other)   DV  
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? SDR, SDR, Direct Sampling SDR 245.76Msps – 16 bit SDR, Direct Sampling SDR 245.76Msps – 16 bit
IF-freqs. ? ? ?
Image rejection ? ≥ 100 dB ≥ 100 dB
Audio output ? 1W diagnostic speaker 1W diagnostic speaker

Transmitter

TX-range 160-10 m 160-6 m 160-6 m
Modulations AM   CW   SSB   AM   AM-sync   FM   N-FM   CW   USB   LSB   RTTY   Digital (other)   DV   AM   AM-sync   FM   N-FM   CW   USB   LSB   RTTY   Digital (other)   DV  
RF-output AM: 200 W, SSB/CW: 275 W 160m-6m Transmitter Output: 1-100W (25W AM) 160m-6m Transmitter Output: 1-100W (25W AM)

Connections

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

Electrical

Power req. Mains 13.8 V DC +/- 15% (14 V DC Nominal) 13.8 V DC +/- 15% (14 V DC Nominal)
Current RX - 1.7 A 1.7 A
TX ? 23 A 23 A

Physical

Manufactured Between 1962 and 1965 in USA Between 2024 and 202x in USA Between 2024 and 202x in USA
Dimensions 530 × 290 × 410 mm
(20.87 × 11.42 × 16.14 in)
356 × 171 × 337 mm
(14.02 × 6.73 × 13.27 in)
356 × 171 × 337 mm
(14.02 × 6.73 × 13.27 in)
Weight 33.00 kg (72.8 lbs) ? ?
Form factor Base Station Headless Base Station

Other features

Memories ? ? ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features XTAL and VFO Optional Integrated Automatic Antenna Tuner Range: 3:1 SWR
Optional Continuous MARS/CAP Coverage with Extended Transmit Filter
Optional Integrated Automatic Antenna Tuner Range: 3:1 SWR
Optional Continuous MARS/CAP Coverage with Extended Transmit Filter
Accessories ? ? ?
MPN EF-JOHNSON-VIKING-VALIANT-II FLEXRADIO-FLEX-008600 FLEXRADIO-FLEX-008600M