Elecraft | K4
Preliminary informations - new product
The Elecraft K4 transceiver provides 160-6 meter, all-mode coverage, wide-range dual receive. 100W output. Modular hybrid architecture, high-performance SDR. Ideated in USA, year of introduction 2020.
Reference market : ham-radio
|Frequency coverage ||RX||0.1000 ~ 54.0000 MHz|
|TX||1.8/3.5/5.2  /7/ 10/14/18/21/ 24/28/50 MHz amateur bands|
|Modulation mode||CW / LSB / USB / FSK / PSK / AM / FM|
|Frequency stability||±0.25 ppm|
17.8 cm touch color LCD
1 Hz frequency resolution
40-segments signal meter bar
2 x SO239 50Ω connectors
2 x SO239 50Ω connectors 
5 x BNC connectors (receive in/output)
|Power supply||12~15V DC|
3 x USB (front and rear)
Jack (Microphone front and rear)
Jack (Phones front and rear)
Jack (Line in/output)
12 VDC output
|Mechanical and environmental data :|
|Dimensions||254 (D) x 343 (W) x 114 (H) mm|
 Module for VHF/UHF bands, to be determined
 To be confirmed
This Elecraft transceiver come with high resolution mini-panadapter for each receiver. An advanced fine-tuning aid with its bandwidth as narrow as ±1 KHz. The user can turn it on by tapping either receiver's Signal-meter or by tapping on a signal of interest. The K4 features simple operation with a large, full-color, touch LCD display. Band-stacking switches and per-receiver controls are both intuitive and versatile, adapting to operating context. K4 transceiver are also upgradeable by the user at any time:
The basic transceiver, allowing the main and sub receivers to be set for the same or different bands.
Includes all of the features of K4. Add an additional direct sampling ADC module and a second set of band-pass filters. This allows the two receivers to use different antennas, for diversity receive. With two sets of BP filters also optimizes signal handling when the receivers are on different bands and/or different antennas.
Includes all of the features of K4D. Add a dual superheterodine 8 MHz IF module, for competitive field day and contesting receiver. Each superhet section includes two XTAL filters, for SSB and CW.
Kit version :
A no-soldering kit version of the Elecraft K4 is planned. Ham builders will learn about advanced radio technology as they proceed. All modules are factory aligned and tested.
Your opinion on merits, defects, experiences, with this radio set is welcome. Write your review, after a technical evaluation by our staff if found suitable will be published on this page. We thank you for your precious contribution.