
( Brand: Radioshack ), ( Manufacturer Part Number: 21-523 ), ( Part Type: Antenna Book Cable Radio ), ( Country/region Of Manufacture: China )
The 21-523 Radio Antenna Tester Field Book Cable SWR is an essential tool for any radio enthusiast or professional in the field of communications. This compact and portable device is designed to accurately test the performance of various types of antennas, cables, and coaxial connectors.
The tester features a built-in SWR (Standing Wave Ratio) meter, which measures the reflection of radio waves back toward the transmitter. This ratio is a critical factor in determining the efficiency and effectiveness of an antenna system. The 21-523 tester provides easy-to-read SWR readings, allowing users to quickly identify and correct any issues with their antenna setup.
In addition to the SWR meter, the tester also includes a 1-50 ohm impedance meter, which measures the electrical resistance of the antenna or cable. This feature is particularly useful for identifying any faults or damage in the coaxial cable, ensuring that the signal is not being lost due to poor connections.
The 21-523 tester is designed for use in the field, making it a perfect companion for on-the-go repairs and installations. The device is compact and lightweight, easily fitting into a pocket or toolbox. It also features a rugged, water-resistant design, ensuring that it can withstand the elements and the rigors of outdoor use.
The tester includes a user-friendly LCD display, which provides clear and easy-to-read readings. The display is backlit for use in low light conditions, and it also features a built-in flashlight, making it easy to see in the dark.
The 21-523 Radio Antenna Tester Field Book Cable SWR is a must-have tool for anyone who works with antennas, cables, and coaxial connectors. Its accuracy, durability, and portability make it an ideal choice for both amateur and professional users. Whether you're a ham radio operator, a broadcast engineer, or a satellite communications technician, this tester will help you ensure that your antenna system is performing at its best.
Pros of buying a 21-523 Radio Antenna Tester Field Book Cable SWR:1. Portable and Convenient: The field book design makes it easy to carry around, making it ideal for outdoor use and on-the-go testing.
2. Compatibility: It can test a wide range of antennas, including VHF, UHF, and HF antennas, making it a versatile tool for various radio applications.
3. Easy to Use: The device has a user-friendly interface with clear readings, making it easy for beginners to use.
4. Durable: The device is built to withstand harsh weather conditions, making it a reliable tool for long-term use.
Cons of buying a 21-523 Radio Antenna Tester Field Book Cable SWR:1. Limited Functionality: Compared to more advanced devices, this tester may not have as many features or customization options.
2. Price: While it is a relatively affordable option, it may still be too expensive for some hobbyists or those just starting out.
3. Limited Display: The display may not be as clear or easy to read in bright sunlight or under low light conditions.
Conclusion:The 21-523 Radio Antenna Tester Field Book Cable SWR is a great option for those who need a reliable and portable antenna tester for various radio applications. Its wide compatibility and user-friendly interface make it a versatile tool for beginners and experienced radio enthusiasts alike. However, its limited functionality and price may be a concern for some users. Ultimately, the decision to buy this tester depends on one's specific needs and budget.
Recommendation:If you are looking for a reliable and portable antenna tester with a wide range of compatibility, the 21-523 Radio Antenna Tester Field Book Cable SWR is a great option to consider. Its user-friendly interface and durable design make it a reliable tool for long-term use. However, if you require more advanced features or customization options, you may want to consider more expensive options that offer more functionality.
Shipping price is for the lower 48 us. States only.
The antenna is still taped to the back of the tester from the factory.
Packaging in good shape but less than perfect with a piece of Styrofoam missing. Sorry, but no return on electrical parts, CD's, DVD's, computer hardware or software, or instruction service manuals, ephemera, or items sold as is.
Radio shack field strength swr tester with the cable, antenna and instruction booklet.
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