MFJ-939 Plug & Play Auto Antenna Tuner Yaesu, Icom, Alinco
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MFJ Enterprises

MFJ-939 Plug & Play Auto Antenna Tuner Yaesu, Icom, Alinco

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£269.95
(£224.96 exc. VAT)
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Product code: mfj-939
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Item CostFinance OptionDepositMonthly PaymentsTotal Cost
£269.95
12 Months 14.9% APR
£27.00
£23.26
£306.15
£269.95
18 Months 14.9% APR
£27.00
£15.51
£306.15
£269.95
24 Months 14.9% APR
£27.00
£11.63
£306.15
£269.95
36 Months 14.9% APR
£27.00
£7.75
£306.15
£269.95
48 Months 14.9% APR
£27.00
£5.82
£306.15
£269.95
12 Months 19.5% APR
£27.00
£24.19
£317.33
£269.95
18 Months 19.5% APR
£27.00
£16.13
£317.33
£269.95
24 Months 19.5% APR
£27.00
£12.10
£317.33
£269.95
36 Months 19.5% APR
£27.00
£8.06
£317.33
£269.95
48 Months 19.5% APR
£27.00
£6.05
£317.33

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MFJ-939 Plug & Play Auto Antenna Tuner Yaesu, Icom, Alinco

MFJ-939 Plug & Play Auto Antenna Tuner Yaesu, Icom, Alinco


The MFJ-939 Plug & Play Auto Antenna Tuner is a versatile and intelligent device that automatically tunes your antenna as you tune your radio. With a wide matching range of 6-1600 Ohms and the ability to tune coax-fed or random wire antennas from 1.8-30 MHz, this tuner can handle power outputs from 2 Watts QRP to a full 200 Watts SSB/CW. Made in the USA, the MFJ-939 offers advanced features such as 20,000 memories to store your antenna and operating preferences, ensuring a seamless tuning experience.

One of the MFJ-939's standout features is its unique ability to measure your antenna's complex impedance and compute the necessary L-network for instant matching. The Adaptive Search function quickly identifies safe matching solutions, providing an ultra-fast tuning experience. The tuner's Instant Recall feature also checks its memory for previous frequency operations, enabling instantaneous tuning when needed.

Equipped with a Virtual Antenna Memory system that offers eight antenna memory banks with 2500 memories each, the MFJ-939 provides a vast array of matching solutions for low SWR. With 256 values each of capacitance and inductance, totalling 131,072 matching solutions, this tuner surpasses competitors in speed and versatility. Compact in size and weighing only 2.4 lbs, the MFJ-939 is a heavy-duty yet portable solution for all your antenna tuning needs.

The MFJ-5114Y interface cable is designed to provide power and control signals between a Yaesu radio and the MFJ automatic tuner. It supports various Yaesu radios including FT-100D, FT-450D, FT-840, FT-847, FT-857D, FT-891, FT-897/D, FT-950, FT-991/A, FT-DX-101D/MP, FT-DX-1200, FT-DX-3000, and more.

The MFJ-5114I interface cable facilitates connecting an Icom radio and the MFJ automatic tuner. Compatible Icom radios include IC-706, IC-707, IC-718, IC-725, IC-728, IC-736, IC-738, IC-746, IC-756, IC-7000, IC-7300, IC-7600, IC-7610, and others.

The MFJ-939A is a Plug-and-Play Auto Tuner with a cable designed for Alinco radios. It automatically tunes your antenna as you tune your radio, ensuring a consistently low SWR. This tuner is suitable for coax-fed or random wire antennas.

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