
( Brand: Mfj ), ( Manufacturer Part Number: MFJ-921 ), ( Part Type: Antenna Tuner ), ( Compatible Brand: Universal ), ( Country/region Of Manufacture: United States ), ( UPC: 650619002317 )
The MFJ-921 is an impressive 220-watt tuner, SWR (Standing Wave Ratio) meter, and wattmeter designed for the 144 MHz and 2 meters amateur radio bands. This versatile device, with the model number 650619002317, is a must-have tool for any serious ham radio enthusiast.
The MFJ-921 boasts a robust 220-watt power handling capacity, ensuring it can accurately measure and handle even the highest power levels, making it suitable for a wide range of applications. The built-in SWR meter allows for quick and easy monitoring of antenna system efficiency, ensuring optimal performance and minimizing RF reflections.
In addition to its SWR meter, the MFJ-921 also features a wattmeter, providing real-time power output readings. This feature is invaluable for ensuring you're operating within the power limits set by your license, as well as for troubleshooting and optimizing your radio setup.
The MFJ-921 is designed for 144 MHz and 2 meters, making it a perfect match for common amateur radio bands. It's compact and lightweight, making it easy to transport and set up in various locations. The unit is also equipped with standard BNC connectors, ensuring compatibility with a wide range of antennas and other radio equipment.
In conclusion, the MFJ-921 220-watt tuner, SWR meter, and wattmeter is a powerful and versatile tool for any amateur radio operator. Its robust power handling, built-in SWR meter, and wattmeter, combined with its compatibility with common amateur radio bands, make it an indispensable addition to any radio station.
The MFJ-921 is a 220-watt tuner, SWR meter, and wattmeter designed for the 144 MHz (2 meter) amateur radio band. Here are some pros and cons to consider before purchasing:
Pros:1. Versatility: The MFJ-921 is a 3-in-1 device, making it a space-saving and cost-effective option for amateur radio operators.
2. Power handling: With a maximum output power of 220 watts, the MFJ-921 can handle higher power levels than some other tuners on the market.
3. Built-in SWR meter: The built-in SWR meter allows you to quickly and easily check the standing wave ratio of your antenna, ensuring optimal performance.
4. Wattmeter: The wattmeter feature allows you to monitor the power output of your transmitter, ensuring that you are not exceeding its limits.
5. Easy to use: The MFJ-921 has a simple and intuitive interface, making it easy for amateur radio operators of all skill levels to use.
Cons:1. Limited frequency range: The MFJ-921 is designed for the 144 MHz (2 meter) amateur radio band, which may not be suitable for operators who use other bands.
2. Size: Although the MFJ-921 is a 3-in-1 device, it is still relatively large compared to some other tuners on the market.
3. Price: While the MFJ-921 is not overly expensive, it may be more expensive than some other tuners that do not offer the same features.
In conclusion, the MFJ-921 is a versatile and powerful tuner, SWR meter, and wattmeter that is well-suited for amateur radio operators who use the 144 MHz (2 meter) band. Its high power handling capacity and built-in SWR meter and wattmeter make it a valuable addition to any amateur radio station. However, its limited frequency range and size may be a drawback for some operators. Ultimately, the decision to purchase the MFJ-921 will depend on your specific needs and budget. If you are an amateur radio operator who uses the 144 MHz (2 meter) band and is looking for a versatile and powerful tuner, the MFJ-921 is a strong contender to consider.
Low swr with practically any antenna. Built in swr wattmeter measures swr in 2 power ranges 300 or 30 watts . Mfj 921 Mfj 921 antenna tuner 144 mhz, 200 watts with swr watt meter Mfj 921 dual band vhf tuner covers 2 meters 220 mhz.
Designed to match a wide range of impedance's for both mobile base operation. Fits just about anywhere.
I don't sell used or refurbished equipment. Black aluminum cabinet measures a compact 8 x 3 inches.
So 239 input output connectors, wing nut post ground. Meter is usable for both 144 mhz and 220 mhz bands.
Handles 200 watts .