The MFJ-939 comes in various models for specific radios. Be sure to search for the "MFJ-939" to see ALL of the models! The MFJ-939Y comes bundled with the MFJ-5114Y cable and works with the following Yaesu radios out of the box:
FT-100
FT-450
FT-847
FT-857br> FT-897
FT-950
Any Yaesu radio that supports the Yaesu FC-30 tuner
***This tuner will work with most radios, but it does require a jumper to be moved inside the tuner and purchase of a cable specific for that brand of radio, listed below.***
Autotuner Interface Cables:
MFJ-5114A - Most Alinco Radios
MFJ-5114K - Most Kenwood Radios
MFJ-5114I - Most Icom Radios
MFJ-5114Y - Most Yaesu Radios
MFJ-5114Y3 - Yaesu FT-1000MP/2000/9000
MFJ-5114Y4 - Yaesu FT-2000 (Through TX REQ input)
Never Obsolete! If you get a new transceiver, simply order a new Plug and Play cable!
Highly intelligent, ultra-fast tuning!
As you’re ragchewing, contesting or DXing, the MFJ-939 is learning your antenna and the way you operate and storing all this in its 20,000 memories. The more you use it, the more it learns.
MFJ VirtualAntenna Memory
MFJ exclusive VirtualAntenna Memory system gives you 8 antenna memory banks of 2500 memories each. You can use an antenna switch to select up to 8 antennas and assign each antenna its own 2500 memories!
Audio SWR Meter
An Audio SWR meter beeps when SWR <1.5, 2, 2.5, 3. Alarms if >3. Audible & Visible Diagnostic messages.
Heavy-Duty Components
Heavy-duty L-network: 10 Amp/1000V relays, RF duty silver mica caps won’t burn up. Safe, reliable, continuous 200W SSB/CW.
Super Versatile! Works with ALL older rigs, classic transmitters, Flex, Elecraft, Tentec, QRP, others with correct cable setup.
- Plug & Play! You won’t even know it’s there! MFJ-939Y automatically tunes your antenna as you tune your radio. SWR is always low
- Tunes your coax fed or random wire antennas 1.8-30 MHz from 2 Watts QRP to full 200 Watts SSB/CW
- Matches 6-1600 Ohms (SWR up to 32:1) -- that’s a 50% wider matching range than competing products that are less capable and higher priced . . . and it’s made in the USA.
- MFJ has 256 values each of capacitance and inductance for 131,072 matching solutions giving you a finely tuned very low SWR. That`s 4 times the 32,768 solutions of competitors using only 128 L/C values each!
- As Small as Your Radio! Only 6 1/2W x 2 7/8H x 8 3/8D”. Weighs just 2.4 lbs
