
( Brand: Mfj ), ( Model: MFJ 904H ), ( Type: Manual ), ( Country/region Of Manufacture: United States )
The MFJ-904H Ham Radio Travel Deluxe Tuner is a compact yet powerful tool designed for on-the-go ham radio enthusiasts. This tuner is perfect for those who enjoy operating their radios at various locations, such as camping, hiking, or emergency situations.
The MFJ-904H is a broadband automatic antenna tuner that covers the HF (High Frequency) and VHF (Very High Frequency) bands. It features a wide frequency range of 1.8 MHz to 30 MHz for HF and 50 MHz to 300 MHz for VHF. This versatility allows you to tune in a wide variety of ham radio frequencies, ensuring you can always stay connected with fellow enthusiasts.
The tuner is built with a sturdy and lightweight aluminum chassis, making it easy to carry around. It measures only 6.25 inches by 3.5 inches by 1.5 inches and weighs only 0.8 pounds, making it an ideal travel companion. Despite its small size, the MFJ-904H delivers impressive performance, with a maximum power rating of 500 watts PEP (Peak Envelope Power).
The MFJ-904H features a high-resolution, backlit LCD display that shows the frequency, SWR (Standing Wave Ratio), and power output. The display is easy to read, even in low light conditions, and provides valuable information to help you optimize your antenna setup.
The tuner also includes a built-in relay switch for automatic antenna selection, which is particularly useful for multi-band antennas. It also has a built-in 30 MHz filter to reduce interference, ensuring clear reception and transmissions.
The MFJ-904H Ham Radio Travel Deluxe Tuner is compatible with a wide range of radio systems, including those using CW, SSB, AM, FM, and digital modes. It also comes with a 2-year manufacturer's warranty for peace of mind.
In summary, the MFJ-904H Ham Radio Travel Deluxe Tuner is a highly portable, powerful, and versatile tool for ham radio enthusiasts. Its wide frequency range, high power rating, and user-friendly features make it an excellent choice for those who enjoy operating their radios in various locations.
Pros of buying a MFJ-904H Ham Radio Travel Deluxe Tuner:1. Portability: The MFJ-904H is a compact, lightweight tuner, making it easy to carry around during field operations or travel.
2. Versatility: It supports various radio frequencies, including HF, VHF, and UHF, making it suitable for various ham radio activities.
3. Affordability: Compared to other tuners in the market, the MFJ-904H is relatively affordable, making it an excellent option for hobbyists on a budget.
4. Easy to use: The MFJ-904H has a simple interface, making it easy to use even for beginners.
5. Built-in SWR meter: The built-in SWR meter allows you to monitor the standing wave ratio of your antenna, ensuring optimal performance.
Cons of buying a MFJ-904H Ham Radio Travel Deluxe Tuner:1. Limited power handling: The MFJ-904H has a limited power handling capacity, making it unsuitable for high-power operations.
2. Limited frequency range: While the MFJ-904H supports a wide range of frequencies, it may not cover all the bands used by amateur radio operators.
3. Build quality: Some users have reported issues with the build quality of the MFJ-904H, including loose connections and faulty components.
4. Limited features: Compared to more expensive tuners, the MFJ-904H has limited features, such as no automatic tuning or memory presets.
Conclusion:The MFJ-904H Ham Radio Travel Deluxe Tuner is a great option for hobbyists who are looking for an affordable, portable, and easy-to-use tuner for their ham radio operations. Its compact size and wide frequency range make it suitable for various activities, and its built-in SWR meter is a useful feature for monitoring antenna performance. However, its limited power handling capacity and limited features may be a drawback for some users. Overall, if you're looking for a basic tuner for casual use, the MFJ-904H is a good choice. But if you need a more advanced tuner with higher power handling capacity and more features, you may want to consider other options.
Recommendation:If you're looking for an affordable, portable, and easy-to-use tuner for your ham radio operations, the MFJ-904H Ham Radio Travel Deluxe Tuner is an excellent choice. Its compact size, wide frequency range, and built-in SWR meter make it suitable for various activities, and its simplicity makes it easy to use even for beginners. However, if you need a more advanced tuner with higher power handling capacity and more features, you may want to consider other options, such as the DX Engineering MFJ-939B or the Elecraft KX2 Tuner. Ultimately, the best tuner for you depends on your specific needs and budget.
Power supply 12 CDC for lighted meter is not included. Push button selects forward reflected power in and 30 6 watt ranges. Its tiny enough to slide in your back hip pocket. Tune out Sr on your mobile whip from inside your car.
Condition is very good, with a few paint chips mostly on the bottom. This compact tuner has been on the shelf in my shack for several years and has only been used a few times, as I have several other tuners. Operate anywhere, anytime with a quick easy set up. Its no toy its got guts.
Measures a compact 7 x 2 x 2 inches. Extra wide matching range let's you tune nearly any antenna. Bypass switch let's you bypass tuner when you dont need it.
Its perfect for compact rigs like the icon ICC 706mkiig, yeas ft 100d, ken wood gifts 50, RP rigs and other with a built in Sr meter. The Mfj 904H is so small and handy, you'll rely on it wherever you go. The Mfj 904H includes a cross needle Sr watt meter and 4/1 baling for balanced lines and random wire.
Its easy to pack away in your briefcase, suitcase, backpack, glove compartment, or desk drawer. Great for expeditions or field day.
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. Be prepared for emergencies. Cross needle meter shows Sr, forward, and reflected power all at a glance.
Built with real air variable capacitors 600 volt, 322 pf and three stacked powder iron droids to handle real power not just RP.