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QRP SDR HF Transceiver
Desktop Shortwave receiver
Remotely operated HF/VHF SDR transceiver

General

HAM bands 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  160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  6m  10m 
Freq. stability ± 1.5 p.p.m. ± 0.5 p.p.m. with optional TCXO Below 10 MHz: 50 Hz/MHz Above 10 MHz: 20 Hz/MHz Both after 30 minutes warm-up (0⁰C – 50⁰C) 0.5 p.p.m. (TCXO)
Tuning steps 1 Hz Continuous 1 Hz

Receiver

RX-range 1.8-30 MHz 0.2-0.42 / 1.1-30 MHz in 5 bands 30 kHz – 54 MHz
Modulations AM   FM   CW   USB   LSB   DV   AM   CW   AM   AM-sync   FM   N-FM   CW   USB   LSB   RTTY   Digital (other)   DV  
Sensitivity ≥ -115 dBm / 0.11~0.89 μV AM: 5 µV
CM 1-2 µV
?
Selectivity SSB 2.3 kHz (-6 dB)
CW 500 Hz (-6 dB)
1.5 / 3.0 / 6.0 / 12.0 kHz selectable (-6 dB) ?
Filters ? 500 Hz switchable crystal filter ?
Receiver system SDR Superheterodyne SDR, Direct Digital Sampling ADC sampling rate: 122.88 Msps, ADC resolution: 16 bit.
IF-freqs. ? 450 kHz ?
Image rejection ? ? ≥ 100 dB
Audio output 8 ohm, 0.5 W 1 W 1W diagnostic speaker

Transmitter

TX-range 160-10 m - 160-6 m
Modulations FM   CW   USB   LSB   DV   - AM   AM-sync   FM   N-FM   CW   USB   LSB   RTTY   Digital (other)   DV  
RF-output 5-15 W - 160m-6m Transmitter Output: 1-100W (25W AM)

Connections

Antenna BNC - BNC + SO-239
Impedance 50Ω 70/80Ω 50Ω
Other - - -

Electrical

Power req. 9-15 V DC Mains (100-125 or 200-250 V AC) or external PSU 13.8 V DC +/- 15% (14 V DC Nominal)
Current RX 450 mA 80 W 1.7 A
TX 3 A max - 23 A

Physical

Manufactured Between 2017 and 20xx in China Between 1959 and 196x in Great Britain Between 2024 and 202x in USA
Dimensions 215 × 74 × 62 mm
(8.46 × 2.91 × 2.44 in)
426 × 222 × 350 mm
(16.77 × 8.74 × 13.78 in)
356 × 171 × 337 mm
(14.02 × 6.73 × 13.27 in)
Weight 613 gr (1.4 lbs) 25.80 kg (56.9 lbs) ?
Form factor Mobile Base Station Base Station

Other features

Memories ? None ?
Usage Amateur / Ham radio operators Military communication Amateur / Ham radio operators
Features Spectrum waterfall display
Noise Reduction
Automatic notch filter
SWR-meter
Supply voltage meter
AF-meter
? Optional Integrated Automatic Antenna Tuner Range: 3:1 SWR
Optional Continuous MARS/CAP Coverage with Extended Transmit Filter
Accessories ? ? ?
MPN RISEN-RS-000918SSB EDDYSTONE-000730/8 FLEXRADIO-FLEX-008400M