MFJ-904H Travel Tuner 150W with Balun


Introducing the MFJ-904H Travel Tuner 150W with Balun – the ultimate solution for all your antenna tuning needs. This compact and powerful tuner is designed to handle a full 150 watts of power, making it perfect for a wide range of applications. Whether you’re a seasoned DX peditioner or just starting out in the world of ham radio, this tuner is a must-have addition to your setup.

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With a frequency range covering 80 – 10 meters, the MFJ-904H offers unparalleled versatility. Its extra-wide matching range ensures that you can tune nearly any antenna, no matter the configuration. Built with real air variable capacitors and three stacked powder iron toroids, this tuner can handle real power, so you can transmit with confidence.

The MFJ-904H features a convenient bypass switch, allowing you to easily bypass the tuner when it’s not needed. This means you can use nearly any transceiver at full power with any coax-fed or random wire antenna, giving you the flexibility to operate anywhere, anytime. From setting up a portable station in the great outdoors to operating from the comfort of your apartment or motel room, this tuner has you covered.

One of the standout features of the MFJ-904H is its compact and portable design. With dimensions of just 180 (W) x 60 (H) x 80 (D) mm and a weight of only 650 g, this tuner is incredibly easy to take with you wherever you go. It can be effortlessly packed away in your briefcase, suitcase, backpack, glove compartment, or desk drawer. It’s even small enough to slide into your back hip pocket, ensuring you’re always prepared for any tuning situation.

Included with the MFJ-904H is a Cross-Needle SWR/Wattmeter, providing you with instant feedback on your antenna’s performance. The meter displays SWR, forward power, and reflected power all at a glance, making it easy to monitor and optimize your setup. The push-button feature allows you to select between different power ranges, ensuring accurate readings every time.

The MFJ-904H also comes equipped with a 4:1 balun, further enhancing its compatibility and performance. Its SO239 sockets provide easy connectivity options, allowing you to quickly and efficiently connect your equipment.

In conclusion, the MFJ-904H Travel Tuner 150W with Balun is a reliable, versatile, and portable solution for all your antenna tuning needs. With its robust construction, broad frequency range, and user-friendly design, this tuner is perfect for amateurs and professionals alike. Whether you’re embarking on a DXpedition, participating in field day activities, or simply looking to optimize your home station, the MFJ-904H is a dependable companion that you can rely on wherever you go.


  • Type: Manual travel and metering tuner
  • Frequency: 3.5 – 30 MHz
  • Power: 150 watts wire, coax and balanced feed
  • Meter: Cross needle
  • Size: 180 (W) x 60 (H) x 80 (D) mm
  • Weight: 650 g
  • Balun: 4:1
  • Sockets: SO239

Additional information

Weight0.9 kg