MFJ-904H ist ein kompakter 150 Watt Antennentuner mit SWR-Messgerät und besonders großem Anpassbereich. Dadurch können selbst schwierige Systeme angepasst werden. Für 80-10m Band. Ideal für für Kompakt-Kurzwellen-Transceiver. Englische Bedienungsanleitung als PDF hier. Auch für Kurzwellenempfänger geeignet. 

MFJ 904H a full power 150 Watt 80-10 Meter Antenna Tuner -- with Balun AND SWR/Wattmeter!. Extra wide matching range lets you tune nearly any antenna.

It's no toy -- it's got guts! Built with real air variable capacitors (600 Volt, 322 pF) and three stacked powder iron toroids to handle real power -- not just QRP. Bypass switch lets you bypass tuner when you don't need it.

You can use nearly any transceiver at full power with nearly any coax fed or random wire antenna for portable, home, or mobile operation.

It's perfect for compact rigs like the Icom IC-706MKIIG, Yaesu FT-100D, Kenwood TS-50, QRP rigs and other with a built-in SWR meter.

Operate anywhere, anytime with a quick easy set-up! Tune out SWR on your mobile whip from inside your car. Operate in your apartment with a wall-to-wall antenna or from a motel room with a wire dropped from a window or from a mountain top with a wire over a tree limb. Great for DXpeditions or field day. Be prepared for emergencies.

The MFJ-904H is so small and handy, you'll rely on it wherever you go! It's easy to pack away in your briefcase, suitcase, backpack, glove compartment, or desk drawer. It's tiny enough to slide in your back hip pocket!

The MFJ-904H includes a Cross-Needle SWR/Wattmeter and 4:1 balun for balanced lines and random wire. Cross-Needle meter shows SWR, forward, and reflected power all at a glance. Push button selects forward/reflected power in 300/60 and 30/6 Watt ranges. Measures a compact 7¼ x 2¼ x 2¾ inches.