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Desktop Shortwave Transmitter
SmartSDR transceiver
Direct Sampling SDR HF/VHF/UHF Transceiver

General

HAM bands 160m  80m  40m  20m  15m  10m  160m  80m  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  2m  70cm  10m 
Freq. stability ? 0.5 p.p.m. TCXO ±0.25 p.p.m. (TCXO)
Tuning steps ? 1 Hz 0.001 kHz

Receiver

RX-range - 30 kHz – 54 MHz 0.1-54 MHz (2 m/70 cm optional)
Modulations - AM   AM-sync   FM   N-FM   CW   USB   LSB   RTTY   DV   AM   FM   CW   USB   LSB   RTTY   Digital (other)   PSK31/63  
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? SDR, Direct Digital Sampling Direct-sampling SDR
IF-freqs. ? ? ?
Image rejection ? ≥ 100 dB ?
Audio output ? 1W diagnostic speaker ?

Transmitter

TX-range 10-160 m 160-6 m 10-160 m + WARC / 6 m (2m / 70cm optional)
Modulations AM   CW   AM   AM-sync   FM   N-FM   CW   USB   LSB   RTTY   DV   AM   FM   CW   USB   LSB   RTTY   Digital (other)   PSK31/63  
RF-output AM: Max 125 W, CW: Max 140 W 1-100W SSB, CW, FM, RTTY, DIGITAL; 1-25W AM 0.1-10 / 0.1-100

Connections

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

Electrical

Power req. Mains 13.8V DC ± 15% 12-15V DC
Current RX - 2.0 A 2 A
TX ? 23 A 23 A max

Physical

Manufactured Between 1955 and 1957 in USA Between 2017 and 20xx in USA Between 2019 and 20xx in USA
Dimensions 526 × 350 × 406 mm
(20.71 × 13.78 × 15.98 in)
350 × 171 × 337 mm
(13.78 × 6.73 × 13.27 in)
343 × 114 × 254 mm
(13.50 × 4.49 × 10.00 in)
Weight 45.36 kg (100.1 lbs) ? 4.54 kg (10.0 lbs)
Form factor Base Station Base Station Base Station

Other features

Memories ? ? 144 channels in 1 bank(s)
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? 8" (20.3cm) touchscreen, 1920×1200 pixels)
HDMI connector for external display
SDR (Software Defined Radio)
Ethernet
Integrated Antenna Tuner
USB 2.0

Optional:
* GPS Disciplined Oscillator; 5x10-12 over 24 hours
* MARS/CAP Coverage Filter Bank
* ThumbDV module for D-Star mode
Modular hybrid design for easy upgrade and expansion
DSP 7" color touch
display
HDMI video output
Ethernet jack
Remote control
Single or dual panadapter
USB-jacks
RS-232C
Transverter I/O
Iambic keyer
Twin RX
Real-time clock
Built-in help system
Linux-based computing module
Accessories ? ? Comes with KDIV4 option, a second set of band-pass filters and additional direct-sampling ADC module
MPN HEATHKIT-DX-000100 FLEXRADIO-FLEX-006600M ELECRAFT-K000004D