K4/0 Remote Firmware and Utility

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K4/0 Remote Firmware and Utility

Current K4/0 Remote Production Software

K4/0 Remote Software (Release R3) June 17, 2026

K4/0 Remote Production Software - General Information

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====================== R3 (PRODUCTION) =======================
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June 17, 2026

This release is functionally identical to R3.BETA2, which has been tested and promoted to production status. See below for details.

FSK RTTY BUG NOTE: At present, FSK RTTY transmissions from a K4/0 (or from a K4 used as a client) will not work unless TEXT DECODE is enabled. This will be addressed in a future release. (When operating a K4 standalone, FSK RTTY transmit will work with or without text decode enabled.)

See K4/0 Software Release Notes for complete revision history.

Attention EU Customers

We highly recommend purchasing Elecraft products through our EU Official Distributors. Items purchased in the EU have a 24-month warranty. Elecraft Distributors are qualified by Elecraft to provide suppport and repairs on your equipment. By purchasing from our distributors, you will receive knowledgeable, quality service, and you will likely receive your equipment sooner than shipping your equipment to the US for repairs. See Warranty Repair information Here.

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International Shipping, Custom Fees, and Physical VAT Collection

Direct purchases from Elecraft will incur additional charges for shipping. Packages shipped internationally may be subject to import taxes, customs duties, and/or fees imposed by the destination country. These charges are due and paid by the buyer once the package arrives in the destination country.

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