Elecraft K4D

Direct Sampling SDR HF/VHF/UHF Transceiver

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The basic Elecraft K4 transceiver provides 160-6 m, all-mode coverage; 100 W output; five receive RF sources; and wideband dual watch, allowing the main and sub receivers to be set for the same or different bands.

This Elecraft K4D adds KDIV4 option, with a second set of band-pass filters and additional direct-sampling ADC module. This allows the two receivers to use different antennas – a requirement for diversity receive. Having two sets of band-pass filters also optimizes signal handling when the receivers are on different bands and/or antennas.

General characteristics

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

Receiver

RX-range
0.1-54 MHz (2 m/70 cm optional)
Modulations
AM   FM   CW   USB   LSB   RTTY   Digital (other)   PSK31/63  
Sensitivity
?
Selectivity
?
Filters
?
Receiver system
Direct-sampling SDR
IF-frequencies
?
Image rejection
?
Audio output
?

Transmitter

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

Connections

Antenna
SO-239
Impedance
50Ω
Other
-

Electrical

Power requirements
12-15V DC
Current drain RX
2 A
TX
23 A max

Physical

Manufactured
Between 2019 and 20xx in USA
Dimensions (w×h×d)
343 × 114 × 254 mm (13.50 × 4.49 × 10.00 in)
Weight
4.54 kg (10.0 lbs)
Form factor
Base Station

Other features

Memories
144 channels in 1 bank(s)
Usage
Amateur / Ham radio operators
Features + options
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
?
MPN
ELECRAFT-K000004D

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