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MFJ - Huge Savings! Save up to 11%


Huge Savings! Up to 11% off on MFJ products at The Computer Wiki. Hurry! Limited time offers. Offers valid only while supplies last.



MFJ-939K Plug & Play 200W 1.8-30MHz HF Autotuner for Select Kenwood HAM Radios
MFJ-939K Plug & Play 200W 1.8-30MHz HF Autotuner for Select Kenwood HAM Radios
In Stock
$189.85

mpn: 939K, ean: 0712265192702,

MFJ 939K Plug & Play 200 Watt Automatic Antenna Tuner for select Kenmore. They can also be used as stand-alone automatic antenna tuners for any transceiver that has an output power of 2-200 watts SSB/CW from 1.8-30 MHz. These tuners accept an antenna...


MFJ-4603 Window feedthrough panel SO239 BAL WIR N
MFJ-4603 Window feedthrough panel SO239 BAL WIR N
In Stock
$104.69

mpn: MFJ-4603, ean: 0650619004793,

Weather-proof window feedthrough panels bring HF/VHF/UHF antennas, balanced lines, random wire antennas, ground, DC/AC power and Rotator/Antenna Switch Cables into your hamshack without drilling through walls. MFJ Weather-Proof Antenna Feedthrough Pa...


MFJ-1026 Noise canceller, 1.5-30MHz
MFJ-1026 Noise canceller, 1.5-30MHz
In Stock
$828.02

mpn: 43189-76648, ean: 0650619002072,

Eliminate all types of noise -- severe power line noise from arcing transformers and insulators, fluorescent lamps, light dimmers, touch controlled lamps, computers, TV birdies, lightning crashes from distant thunderstorms, electric drills, motors, i...


SWR Antenna Analyzer MFJ-259C HF VHF 0.53-230Mhz
SWR Antenna Analyzer MFJ-259C HF VHF 0.53-230Mhz
In Stock
$256.90

mpn: FBA_MFJ-259C, ean: 0700425432379,

Read your antenna's SWR and Complex Impedance 530 KHz to 230 MHz. Read Complex Impedance as series resistance and reactance (R+jX) or as magnitude (Z) and phase (degrees). Determine velocity factor, coax cable loss in dB, length of coax and distance ...


MFJ Enterprises Original MFJ-945E 1.6 ~ 60 MHz Mobile Antenna Tuner w/ Watt Meter & Antenna Bypass Switch. 300 Watts
MFJ Enterprises Original MFJ-945E 1.6 ~ 60 MHz Mobile Antenna Tuner w/ Watt Meter & Antenna Bypass Switch. 300 Watts
In Stock
$137.93
$136.93

mpn: MFJ-945E, ean: 0650619002256,

Covers 1.8 to 60 MHZ Now covers 6-meter band and has antenna bypass Switch! Dont go mobile without it! Dont leave home without this mobile tuner! Have an uninterrupted trip as MFJ-945E extends antenna bandwidth and eliminates needs to stop, go outsid...


MFJ-4230MVP COMPACT SWITCH PS, MTR/PP/4-16V ADJ. 110
MFJ-4230MVP COMPACT SWITCH PS, MTR/PP/4-16V ADJ. 110
In Stock
$119.90

mpn: MFJ-4230MVP, ean: 0650619022322,

MFJ-4230MVP - 30 AMP Switching Power Supply. This is a super compact 30 Amp MightyLite switching power supply has all of the popular features of the MFJ-4230MV . . . PLUS, it adds a pair of Anderson PowerPoles for ARES and RACES, and others that enjo...


MFJ-4275MV MFJ-4275 Original MFJ Enterprises Switching Power Supply 13.8V 75A Meters
MFJ-4275MV MFJ-4275 Original MFJ Enterprises Switching Power Supply 13.8V 75A Meters
In Stock
$269.10

mpn: MFJ-4275MV, ean: 0650619022353,

75 Amp switching power supply. 70 Amps continuous, 75 Amp peak. Adjustable voltage (6-18 Volts), with Volt meter and Amp meter. Includes various connection points including binding posts, banana clips, PowerPole, and cigaratte lighter socket.4.0 to 1...


MFJ-1129 Power strip, 40A, 10 pole, w/meter
MFJ-1129 Power strip, 40A, 10 pole, w/meter
In Stock
$139.19

mpn: MFJ-1129, ean: 0712265197172,

Get the best of both connectors! 10 outlets. Installed fuses: two 1A, three 5A, three 10A, one 25A, one 40A. Outlets 1, 2, 4-8 are Anderson PowerPole®. Outlet 3 is a 35A high current binding post; outlet 9, 10 are 15A binding posts. Built-in 0-25 VD...


MFJ-929 Auto tuner, 200W
MFJ-929 Auto tuner, 200W
In Stock
$236.94

mpn: MFJ-929, ean: 0650619002164,

Fully Automatic Antenna SWR Tuner with built in LCD Digital Watt SWR Meter! Great For Amateur Radio, CB anf HF use. Simple and Fast push button and tune operation. Hooks up between antenna and radio with an optional PL-259 coax path cable. Requires 1...


MFJ-1621 Portable antenna, 40m-10m
MFJ-1621 Portable antenna, 40m-10m
In Stock
$116.19

mpn: MFJ-1621, ean: 0650619004076,

This antenna will operate on the 7, 10, 14, 21, 24, and 30Mhz bands. Its Maximum input power is 200 watts. A field strength meter is build-in to make tuning easier. This antenna is very easy to set up and does not require a ground plane. One thing to...


MFJ-939I Plug & Play 200W 1.8-30MHz HF Autotuner for Select Icom HAM Radios
MFJ-939I Plug & Play 200W 1.8-30MHz HF Autotuner for Select Icom HAM Radios
In Stock
$189.85

mpn: 939I, ean: 0712265192696,

MFJ-939I Plug & Play 200 Watt Automatic Antenna Tuner for select ICOM Radios. They also can be used as stand-alone automatic antenna tuners for any transceiver that has an output power of 2-200 watts SSB/CW from 1.8-30 MHz. These tuners accept an ant...


MFJ BY-II Bencher Iambic Paddle - Chrome
MFJ BY-II Bencher Iambic Paddle - Chrome
In Stock
$236.84

mpn: MFJ BY-II, ean: 0650619017977,

Bencher Iambic Paddle - Chrome...


MFJ Enterprises Original MFJ-969 HF/50 MHz Antenna Tuners AirCore Roller Inductor 300 Watts
MFJ Enterprises Original MFJ-969 HF/50 MHz Antenna Tuners AirCore Roller Inductor 300 Watts
In Stock
$230.00

mpn: MFJ-969, ean: 0628586667839,

The MFJ-969 Antenna Tuner gives you MFJs superb AirCore Roller Inductor and full 6 meteres through 160 Meter coverage! You get everything youve ever wanted including...300 Watts PEP SSB full featured antenna tuner, widest matching range, full size li...


MFJ Antenna analyzer, HF/VHF, w/meters and Ham Guides TM Pocket Reference Card Bundle
MFJ Antenna analyzer, HF/VHF, w/meters and Ham Guides TM Pocket Reference Card Bundle
In Stock
$279.95

mpn: MFJ-259C--B1, ean: 0701630979864,

HF/VHF Antenna/SWR/RF Analyzer with Meters The World's most popular SWR analyzer just got incredibly better and gives you more value than ever! The MFJ-259C builds on the popularity of the incredible 259B and adds a Frequency Counter mode, plus cover...


MFJ-974HB MFJ-974 MFJ Original Enterprises Manual Tuner + SWR, 1.8-54MHz, 30/300W
MFJ-974HB MFJ-974 MFJ Original Enterprises Manual Tuner + SWR, 1.8-54MHz, 30/300W
In Stock
$209.95

mpn: MFJ-974HB, ean: 0650619002690,

The MFJ-974HB is a fully balanced true balanced line antenna tuner. It gives you superb current balance throughout its very wide matching and frequency range. Johnson Matchbox For decades, the Johnson Matchbox has been the standard of comparison for ...


MFJ-1270X KISS Mode TNC-X, VHF packet/APRS
MFJ-1270X KISS Mode TNC-X, VHF packet/APRS
In Stock
$143.85

mpn: MFJ-1270X, ean: 0650619003246,

The TNC-X is a low-cost, low power TNC currently deployed in thousands of locations all over the world. Just connect your FM radio and your computer and the world of digital packet radio is yours to enjoy. TNC-X is a self-contained TNC, not a compute...


MFJ HF/VHF/UHF antenna analyzer w/meters and Ham Guides TM Pocket Reference Card Bundle
MFJ HF/VHF/UHF antenna analyzer w/meters and Ham Guides TM Pocket Reference Card Bundle
In Stock
$375.00

mpn: MFJ-269CPRO--B1, ean: 0701630979727,

MFJ-269C Pro is very similar to the MFJ-269C, but has its UHF range coverage 430 to 520 MHz and an extended commercial-style cabinet for lab work (helps protect knobs and connectors from damage. 530KHz-230MHz plus 415-470MHz HF/VHF/UHF SWR Analyzer B...


MFJ-259C Antenna Analyzer with Nifty! Quick Refernce Guide and Ham Guides Pocket Reference Card Bundle!
MFJ-259C Antenna Analyzer with Nifty! Quick Refernce Guide and Ham Guides Pocket Reference Card Bundle!
In Stock
$302.34

mpn: 259C, ean: 0712265193655,

MFJ-259C Antenna Analyzer with Nifty! Quick Refernce Guide and Ham Guides Pocket Reference Card Bundle! Bundle Includes MFJ-259C Antenna Analyzer w/ Meters (HF/VHF) MFJ-259C Nifty! Quick Reference Guide The World's most popular SWR analyzer just go...


MFJ-269C SWR Antenna Analyzer 530 KHz - 230 / 415-470 MHz Continuous Coverage
MFJ-269C SWR Antenna Analyzer 530 KHz - 230 / 415-470 MHz Continuous Coverage
In Stock
$332.85

mpn: MFJ-269C, ean: 0702685258959,

The MFJ-269C is a compact battery powered RF impedance analyzer. It combines five basic circuits; a variable oscillator, frequency counter, frequency multiplier, 50-ohm RF bridge, twelve-bit A-D converter, and a microcontroller. Together, these circu...


Indoor Outdoor Window Clamp HF Antenna for 2 to 40M MFJ-1622
Indoor Outdoor Window Clamp HF Antenna for 2 to 40M MFJ-1622
In Stock
$130.74
$116.19
You Save: 11%

mpn: MFJ-1622, ean: 0650619002874,

4.0 out of 5 stars with 53 reviews
This Apartment Antenna lets you operate 40 through 10 Meters on HF and 6 and 2 Meters on VHF with a single antenna! Its universal mount/clamp lets you easily attach it to window frames, balconies, and railings. It also works great indoors mounted to ...



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