MFJ‑5700K3 Interface Cable for MFJ‑1204K3 – Radioworld UK
MFJ‑5700K3 Interface Cable for MFJ‑1204K3 – Radioworld UK
MFJ‑5700K3 Elecraft K3 Audio In/Out/PTT Cable – Radioworld UK
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MFJ‑5700K3 Interface Cable for MFJ‑1204K3 – Radioworld UK
MFJ‑5700K3 Elecraft K3 Audio In/Out/PTT Cable – Radioworld UK

MFJ Enterprises – Trusted Tools for Amateur Radio & Antenna Analysis

MFJ‑5700K3 – Elecraft K3 Audio In / Out / PTT Jack Cable for MFJ‑1204K3

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£26.99
(£22.49 exc. VAT)
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Product code: 54-126
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Item CostFinance OptionDepositMonthly PaymentsTotal Cost
£26.99
12 Months 14.9% APR
£2.70
£2.33
£30.61
£26.99
18 Months 14.9% APR
£2.70
£1.55
£30.61
£26.99
24 Months 14.9% APR
£2.70
£1.16
£30.61
£26.99
36 Months 14.9% APR
£2.70
£0.78
£30.61
£26.99
48 Months 14.9% APR
£2.70
£0.58
£30.61
£26.99
12 Months 19.5% APR
£2.70
£2.42
£31.72
£26.99
18 Months 19.5% APR
£2.70
£1.61
£31.72
£26.99
24 Months 19.5% APR
£2.70
£1.21
£31.72
£26.99
36 Months 19.5% APR
£2.70
£0.81
£31.72
£26.99
48 Months 19.5% APR
£2.70
£0.60
£31.72

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MFJ‑5700K3 Interface Cable for MFJ‑1204K3 – Radioworld UK

MFJ‑5700K3 – Elecraft K3 Audio In / Out / PTT Jack Cable for MFJ‑1204K3


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MFJ‑5700K3 – Elecraft K3 Audio In / Out / PTT Jack Cable

The MFJ‑5700K3 is a dedicated interface cable designed for Elecraft K3 transceivers, providing direct access to the rear panel Audio In, Audio Out and PTT jacks. Built for use with the MFJ‑1204K3 digital interface, this cable enables clean audio routing and reliable PTT control for digital modes and computer‑assisted operation.

Key Specifications

  • Connector: Elecraft K3 rear panel Audio In / Audio Out / PTT jacks
  • Cable: For use with MFJ‑1204K3

Applications

  • Digital mode operation (FT8, PSK31, RTTY, JS8)
  • Audio interfacing for logging and control software
  • PTT keying for computer‑controlled operation
  • Custom station integration with Elecraft K3

Technical Specification

Product NameMFJ‑5700K3 – Elecraft K3 Audio In / Out / PTT Jack Cable
Connector TypeElecraft K3 rear panel Audio In, Audio Out and PTT jacks
Cable CompatibilityMFJ‑1204K3 Interface
ApplicationDigital modes, rig control and audio routing
ConstructionShielded cable with precision‑moulded connectors
Use CaseAmateur radio digital integration with Elecraft K3

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