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HF/50MHz Transceiver
Direct Sampling SDR HF/VHF/UHF Transceiver

General

HAM bands 160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  6m  10m  160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  6m  2m  70cm  10m 
Freq. stability ≥ ±0.05 p.p.m. ±0.25 p.p.m. (TCXO)
Tuning steps 1 Hz minimum 0.001 kHz

Receiver

RX-range 0.03-60 MHz 0.1-54 MHz (2 m/70 cm optional)
Modulations AM   FM   CW   USB   LSB   RTTY   PSK31/63   AM   FM   CW   USB   LSB   RTTY   Digital (other)   PSK31/63  
Sensitivity SSB, CW, RTTY, PSK (BW=2.4 kHz, 10 dB S/N)
0.100–1.799 MHz 0.5 µV (pre-amp 1 ON)
1.800–29.990 MHz 0.16 µV (pre-amp 1 ON)
50.000–54.000 MHz 0.13 µV (pre-amp 2 ON)
AM (BW=6 kHz, 10 dB S/N)
0.100–1.799 MHz 6.3 µV (pre-amp 1 ON)
1.800–29.990 MHz 2 µV (pre-amp 1 ON)
50.000–54.000 MHz 1 µV (pre-amp 2 ON)
FM (BW=15 kHz, 12 dB SINAD)
28.000–29.990 MHz 0.5 µV (pre-amp 1 ON)
50.000–54.000 MHz 0.32 µV (pre-amp 2 ON)
?
Selectivity SSB, RTTY (BW=2.4 kHz)
More than 2.4 kHz/–3 dB
Less than 3.6 kHz/–60 dB
CW/RTTY/PSK (BW=500 Hz)
More than 500 Hz/–3 dB
Less than 700 Hz/–60 dB
AM (BW=6 kHz)
More than 6.0 kHz/–3 dB
Less than 15.0 kHz/–60 dB
FM (BW=15 kHz)
More than 12.0 kHz/–6 dB
Less than 20.0 kHz/–60 dB
?
Filters 15 / 6 / 3 / 1.2 kHz ?
Receiver system Double conversion superheterodyne Direct-sampling SDR
IF-freqs. 1st: 64.455 MHz (MAIN band), 64.555 MHz (SUB band)
2nd: 36 kHz
?
Image rejection ≥ 70 dB ?
Audio output 2.6 W at 10% distortion with an 8 Ω load ?

Transmitter

TX-range 160-6 m 10-160 m + WARC / 6 m (2m / 70cm optional)
Modulations AM   FM   CW   USB   LSB   RTTY   PSK31/63   AM   FM   CW   USB   LSB   RTTY   Digital (other)   PSK31/63  
RF-output 5-200 W 0.1-10 / 0.1-100

Connections

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

Electrical

Power req. Mains (85-265 V AC) 12-15V DC
Current RX 200 VA 2 A
TX 800 VA max 23 A max

Physical

Manufactured Between 2014 and 201x in Japan Between 2019 and 20xx in USA
Dimensions 425 × 149 × 435 mm
(16.73 × 5.87 × 17.13 in)
343 × 114 × 254 mm
(13.50 × 4.49 × 10.00 in)
Weight 23.50 kg (51.8 lbs) 4.54 kg (10.0 lbs)
Form factor Base Station Base Station

Other features

Memories 101 channels in bank(s) 144 channels in 1 bank(s)
Usage Amateur / Ham radio operators Amateur / Ham radio operators
Features 7-inch display
Waterfall / scope
USB, Ethernet, SP/DIF
SD Card
Antenna tuner
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, plus our dual superhet module, the KHDR4.
MPN ICOM-IC-007851 ELECRAFT-K000004HD