This MFJ-4713 HF 4-Position Remote Antenna Switch lets you switch between four antennas remotely. Covers 1.8 to 30 MHz.
Run one coax from the indoor switch box to your outdoor control box on your mast or tower or where ever your antennas are located.
Then just hook up a coax patch cable from the indoor switch box to your transceiver. Green LEDs show you which of the four antennas you have selected.
Handy mounting holes are on both units. Quality SO-239 connectors, ground lugs.
The outdoor control box is 5Wx4.25Hx1.75D inches. The metal mounting plate protruding from the cabinet is 2 inches by 2.75 inches.
The indoor switch box is 3.75Wx2.75Hx1.5D inches. It’s mounting lip protruding from the cabinet is just .25 inches by 3.75 inches. Off position.
Use 12 VDC or 110 VAC with optional MFJ-1312D power supply.
This item is in production.
Review
The MFJ-1234 Rig Pi Remote Station from Dayton Hamvention 2019
“The new Rig-Pi from MFJ, model MFJ-1234, is the next logical step in remote operation. For a low price, it will remote control almost any rig a... Read more
Handheld Ailunce HD1 Retevis Dual Band DMR – Review
“Here is the Ailunce HD1, or what I call the Retevis HD1. It is a dual band, 10w/8w Handheld Analog and DMR, with GPS and IP67 waterproofing. A... Read more
FTdx10 & FT-991A SSB Receiver Comparison
“My good friend Joel, KC4WZB, loaned me his brand new Yaesu FTdx10. When I say loaned, I mean he picked it up at Ham Radio Outlet and brought it... Read more
An Alpha Delta lightning arrester with an intermittent short.
Coaxial Lightning Protectors Alpha Delta N Connector Coaxial Surge Protectors are rated for 200 or 2,000 watts at frequencies up to 3 GHz. They are no... Read more
Gary M0TIG takes a look at the Metro VNA range at ML&S
ANTENNA ANALYZER MetroVna Pro Touch 55/180/250 MHz The idea of creating an all-Italian version of an Antenna Analyser was born as a challenge.After co... Read more
Equipment
New ! Ameritron SDC-104 Screwdriver Controller
Ameritron SDC-104 Super accurate tuning . . . Ultra-fast . . . Extremely Reliable . . . 88 memories . . . StallProtector . . .Fully RFI protected . .... Read more
QRPGuys K8TND Regenerative Receiver – $40
“How better to explore the world of shortwave listening than with a regenerative receiver. The QRPGuys K8TND Regenerative Receiver covers the 60... Read more
Stryker SR-955HPC 10 Meter Radio
Stryker SR-955HPC The Stryker SR-955HPC 10 meter radio just keeps getting better. Released back in 2012, it set the bar high enough that competitors a... Read more
SDRplay releases ExtIO plugin for the RSPduo
“We are pleased to announce the release of the ExtIO plugin for the RSPduo. This release uses the latest API (v3.01) which is also being updated... Read more
New UT-133A Bluetooth Unit for Icom Mobile Radios
The current Icom UT-133 Bluetooth unit is being replaced with a new version that is compatible with not only the ID-5100E and IC-2730E Amateur Radio m... Read more
Antenna
![ARCO Smart Antenna Rotator Controller [ microHam ]](https://qrznow.com/wp-content/uploads/2021/06/l_IMG_0495_-265x168.jpg)
ARCO Smart Antenna Rotator Controller [ microHam ]
The ARCO is a modern rotator controller designed for reliable operation with virtually any rotator ever made, commercial or home brew.ARCO p... Read more
Antenna Circular Polarization
“Space communication has forced the use of Circular polarization. The fundamental advantage of circular polarization is that all reflections cha... Read more
2 Meter Halo Antenna by Mike Fedler N6TWW
2 Meter Halo Antenna Project Background & Goals There are two previous versions of my loop antenna that were built before the antenna you see now.... Read more
Which Antenna is Better? by Richard N4PBQ
“Real world antenna comparisons I don’t have many choices for my antenna at my residential QTH. I have an80m OCF Dipole (aka Windom) hung... Read more
The Cycle Buster – New HF Dual Antenna M2 !
The 40-20M-3-5 is a coil loaded 40 meter 3 element Yagi interlaced with a 20M 5 element Yagi. This antenna is the perfect package to bust the sun spot... Read more
App - Mobile
Rfinder for Visually Impaired on Android
Rfinder Tom W3ZX, a visually impaired ham gives a great demo on Android using TalkBack for the visually impaired. See More: http://www.rfinder.net/blo... Read more
Koch Morse Trainer Pro – Android App
Take your morse code to the next level with Koch Morse Trainer Pro. The only trainer that supports prosigns (procedural signals) and non-english cha... Read more
DX Hunter – The amateur radio App for DX-enthusiasts
DX Hunter – The amateur radio App for DX-enthusiasts Description DX-Hunter is an application for amateur radio operators, short wave listeners a... Read more
817 Companion for Yeasu 817 – App
Yeasu 817 The 817 Companion app is dedicated to all the proud owners and users of the Yeasu 817 amateur radio. The Yeasu 817 is a fantastic radio bu... Read more
SmartSDR for iOS v1.0.4 Now Available
FlexRadio Systems announces the release of SmartSDR for iOS v1.0.4 is now available for download or update from the Apple App Store. This release con... Read more