
( Brand: Txrx ), ( Model: 28-70-02 ), ( Part Type: Repeater System ), ( Frequency Band S : Uhf ), ( Country/region Of Manufacture: United States )
The 28-70-02 RX Repeater Duplexer TX/RX for UHF Ham Radio is a high-quality, essential component for any serious amateur radio enthusiast. This duplexer is designed to separate transmit and receive frequencies in a UHF repeater system, ensuring clear and interference-free communication.
The 28-70-02 duplexer is a wideband device, covering a frequency range of 28 MHz to 70 MHz, making it compatible with a wide array of UHF ham radio bands. It is a dual-directional coupler, capable of handling both transmit and receive signals, thereby making it a duplexer.
This duplexer is constructed using high-quality materials, ensuring durability and reliability. It is made with a high-temperature co-fired ceramic (HTCC) design, which provides excellent performance in terms of insertion loss, isolation, and return loss. The HTCC design also ensures that the duplexer can withstand high power levels, making it suitable for use with high-power UHF ham radio transceivers.
The 28-70-02 RX Repeater Duplexer TX/RX for UHF Ham Radio comes with N-type connectors, which are widely used in the ham radio community for their robustness and ease of use. The connectors are gold-plated, which further enhances the duplexer's performance by reducing signal loss and improving signal quality.
In conclusion, the 28-70-02 RX Repeater Duplexer TX/RX for UHF Ham Radio is a high-performance, reliable, and durable duplexer that is essential for any UHF ham radio repeater system. It is constructed using high-quality materials, has a wide frequency range, and comes with N-type connectors. Its HTCC design ensures excellent performance in terms of insertion loss, isolation, and return loss, making it suitable for use with high-power UHF ham radio transceivers.
Pros of buying a 28-70-02 RX Repeater Duplexer TX/RX Ham UHF:1. Improved signal quality: The duplexer is designed to separate transmit and receive frequencies, reducing interference and improving the overall signal quality.
2. Increased range: By improving the signal quality, the repeater's range can be extended, allowing for longer-distance communication.
3. Compatibility: The 28-70-02 is compatible with a wide range of UHF frequencies, making it a versatile option for ham radio operators.
4. Durable construction: The duplexer is built to withstand harsh environments, making it suitable for use in outdoor settings.
Cons of buying a 28-70-02 RX Repeater Duplexer TX/RX Ham UHF:1. Cost: The duplexer is a relatively expensive component, which may be a deterrent for some ham radio operators on a budget.
2. Installation complexity: Installing the duplexer may require some technical knowledge and skills, which could be a challenge for some users.
3. Limited frequency range: While the 28-70-02 is compatible with a wide range of UHF frequencies, it may not be suitable for operators who require more specific frequency ranges.
Conclusion:The 28-70-02 RX Repeater Duplexer TX/RX Ham UHF is a high-quality component that can significantly improve signal quality and range for ham radio operators. However, its high cost and potential installation complexity may be a drawback for some users. Ultimately, whether this duplexer is a good fit for your needs depends on your specific requirements and budget. If you are a serious ham radio operator looking to improve your communication capabilities, the 28-70-02 is definitely worth considering.
Recommendation:If you are a serious ham radio operator looking to improve your signal quality and range, the 28-70-02 RX Repeater Duplexer TX/RX Ham UHF is a solid investment. However, if cost or installation complexity are concerns, you may want to consider other options that may be more affordable or easier to install. Regardless of your choice, ensure that you thoroughly research the product and its compatibility with your existing equipment before making a purchase.
Txrx systems uhf duplexer var notch model 02 taken from a working ham repeater I no longer operate.