1. Ham, Amateur Radio Communication For Sale
  2. sku: 12961902017854632
  3. RADIOSHACK 21-254

RADIOSHACK 21-254 Radio Swr Power Tester Pep Cable Shack 20W/200W/2000W

21-254 Radioshack Radio Shack # Swr / Power Tester 20w/200w/2000w Pep With Cable

( Brand: Radioshack ), ( Manufacturer Part Number: 21-254 ), ( Compatible Brand: Universal ), ( Type: Swr / Power Tester )

Review RADIOSHACK Radio Shack Swr Power Tester 20w/200w/2000w Pep Cable

The RadioShack 21-254 SWR Power Tester is a versatile and reliable device designed for optimizing the performance of your radio systems. This power tester is capable of measuring SWR (Standing Wave Ratio) across a wide power range, making it an indispensable tool for ham radio enthusiasts, broadcast technicians, and anyone else working with radio frequencies.

The RadioShack 21-254 SWR Power Tester supports power levels ranging from a low of 20 watts up to an impressive 2000 watts PEP (Peak Envelope Power). This broad power range ensures compatibility with a wide variety of radio systems, from low-power handheld radios to high-power transmitters.

The SWR Power Tester features a clear, easy-to-read digital display that shows you the SWR ratio, forward power, and reflected power in real-time. The device also has a built-in tone generator for quick and accurate SWR measurements. A cable is included with the tester, making it easy to connect your radio equipment and start testing right away.

The RadioShack 21-254 SWR Power Tester is a durable and rugged device, built to withstand the rigors of regular use in the field. It is compact and lightweight, making it easy to carry in a toolbox or backpack. The tester is powered by an included 9V battery, and it has an auto-shutdown feature to help conserve battery life.

In summary, the RadioShack 21-254 SWR Power Tester is a must-have tool for anyone working with radio frequencies. Its wide power range, clear digital display, and rugged construction make it a versatile and reliable device for optimizing the performance of your radio systems. Whether you're a ham radio enthusiast, a broadcast technician, or anyone else working with radio frequencies, the RadioShack 21-254 SWR Power Tester is an essential addition to your toolkit.

Pros of the RadioShack 21-254 SWR Power Tester:

1. Wide Power Range: This SWR power tester can handle up to 2000W PEP (Peak Envelope Power), making it suitable for a wide range of radio applications.

2. Versatile Cable: The included cable allows for testing a variety of radio setups, including mobile, base, and even some amateur radio configurations.

3. Simple Readings: The meter provides clear, easy-to-read SWR (Standing Wave Ratio) and power level readings, aiding in optimizing your radio's performance.

4. Durable Design: RadioShack products are known for their quality and durability, which is likely carried over to this SWR power tester.

Cons of the RadioShack 21-254 SWR Power Tester:

1. Limited Frequency Range: The power tester may not be suitable for all radio frequencies, as it's designed primarily for HF (High Frequency) applications.

2. Potential Calibration Issues: Some users have reported calibration issues with this model, so it may require periodic recalibration.

3. Limited Functions: Compared to more advanced SWR power testers and analyzers on the market, the 21-254 has fewer features.

4. Availability: As RadioShack has undergone significant changes and some store closures, the availability of this product may be limited in certain areas.

Conclusion:

The RadioShack 21-254 SWR Power Tester is a solid choice for those seeking a basic, affordable SWR power tester for HF applications. Its wide power range and durable design make it a practical tool for many radio users. However, its limited frequency range and fewer features compared to more advanced models should be considered. If you need a more versatile SWR power tester or one suitable for a broader range of frequencies, you may want to explore other options on the market.

Recommendation:

If you're looking for a simple and reliable SWR power tester for HF applications, the RadioShack 21-254 SWR Power Tester could be a good fit for you. Just keep in mind its limitations and consider whether it meets your specific needs.

Details:

20W/20 0W/2000W PEP. Model: 21-254.

part #: 21254 prices

  • $18.75-$33.20

specifications hamamateuradio:

  • brand: Radioshack
  • mpn: 21-254
  • compatible brand: Universal
  • type: Swr / Power Tester

offer hamamateuradio:

  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • started: November 12, 2025
  • quantity: 1

shipping hamamateuradio:

  • carrier: USPS
  • class: Standard
  • transit: 2-6 Days
  • type: Fixed
  • cost: $9.95
  • service: USPS Ground Advantage

returns hamamateuradio:

  • paid by: Seller
  • method: Money back
  • policy: Returns Accepted
  • time: 30 Days

seller hamamateuradio:

  • # reviews: 17642
  • rating: 99.8%
  • city: Westminster, Colorado

general hamamateuradio:

  • Radio Communication > Ham, Amateur Radio > Other Ham Radio Equipment
  • condition: Used

payments hamamateuradio:

  • credit card: Discover
  • other
  • wallet: Paypal
compatible brand: universal, type: swr / power tester,
category: electronics > radio communication > ham, amateur radio > ham radio equipment, sku: 12961902017854632,
Radioshack 21-254 Is Similar To:
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5 offers $18.75–$33.20 USD
  • New. Offer #1 priced at $18.75 + $0.00 shipping estimate = $18.75* total. 2100, 5100, 7100. C220, C230, C310X, C320, C520, C710, C720t, H610.FREE SHIPPING
  • Used. Offer #2 priced at $33.20 + $9.02 shipping estimate = $42.22* total. The power cord and cigarette lighter plug are intact with no fraying. Power your gear on the go with this classic Radio Shack High-Efficiency Portable Power Inverter.+$9.02 shipping
  • Used. Offer #3 priced at $29.99 + $10.95 shipping estimate = $40.94* total. Comes with what is picturedonly, nothing more. Vintage Radio Shack SWR Power Meter 3-30MHZ 21-534 CB/HAM.+$10.95 shipping
  • Used. Offer #4 priced at $49.00 + $0.00 shipping estimate = $49.00* total. -6.5" wide. MISSING tires, one wheel has a chip in it, no battery cover.FREE SHIPPING
  • Used. Offer #5 priced at $199.99 + $15.50 shipping estimate = $215.49* total. Perfect for collectors or hobbyists looking to add a unique and high-quality piece to their collection.+$15.50 shipping

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