CQ Amateur Radio – August 2019

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For complete features and specifications, go to elecraft.com | [email protected] | 831-763-4211

K4 HIGH-PERFORMANCE DIRECT SAMPLING SDR

A direct-sampling SDR you’ll love

to use

Our new K4 features advanced signal processing,

a 7” touch display, and controls optimized for

ease of use. It includes single or dual panadapters,

a high-resolution tuning aid, and built-in data

modes. Via the Internet, a K4 can be 100% remote

controlled from a PC, tablet, or even another K4,

with panadapter data included. Work the world

from anywhere, in style!

Modular and upgradeable, with

3 models to choose from

The basic K4 covers 160-6 m, with dual receive

on the same or different bands, and new DSP

features such as advanced NR. The K4D adds

diversity receive. The K4HD builds on the K4D,

adding a dual superhet module for extreme-

signal environments. Any model can be

upgraded, and future enhancements such as a

planned internal VHF/UHF module can be added

as needed.

Key Features

• Modular, upgradeable design


• 7” color screen with touch and mouse control


• Extensive analog and digital I/O


• ATU with 10:1+ range, 3 antenna jacks


• Up to 5 receive antenna sources


• Full remote control via ethernet