
( Brand: Telewave ), ( Manufacturer Part Number: TPRD-1554 ), ( Type: Duplexer ), ( Band: Vhf )
The TPRD-1554 Telewave VHF Pass-Reject Duplexer is a high-performance component designed specifically for use in dual-band VHF radio systems. This duplexer operates within the frequency range of 144-174 MHz, making it an ideal choice for applications such as amateur radio, public safety, and commercial communications.
The TPRD-1554 features a passband of 144-146 MHz for the transmit frequency and a reject band of 172-174 MHz for the receive frequency. This allows for clear and interference-free communication between the transmitter and receiver, ensuring optimal performance in even the most challenging environments.
The duplexer is constructed using high-quality Teflon dielectric material, which provides excellent temperature stability and low power loss. This ensures that the duplexer can withstand extreme temperatures and heavy usage without degrading in performance over time.
The TPRD-1554 is also designed with a low insertion loss of less than 1.0 dB, which means that it minimally affects the signal strength of the radio system. Additionally, the duplexer has a high rejection level of over 40 dB, which ensures that there is minimal interference between the transmit and receive frequencies.
The TPRD-1554 is easy to install and requires no external tuning or alignment. It is compact in size and lightweight, making it suitable for use in both portable and fixed radio systems. The duplexer is also weather-resistant, ensuring that it can withstand harsh outdoor conditions.
In summary, the TPRD-1554 Telewave VHF Pass-Reject Duplexer is a high-performance, reliable, and easy-to-install component that is ideal for use in dual-band VHF radio systems. Its temperature stability, low insertion loss, and high rejection level make it an excellent choice for applications that require clear and interference-free communication.
Pros of buying TPRD-1554 Telewave VHF Pass-Reject Duplexer 144-174:1. Wide frequency range: The duplexer covers a wide frequency range of 144-174 MHz, which is suitable for various VHF radio applications.
2. High isolation: The TPRD-1554 offers excellent isolation between the transmit and receive frequencies, ensuring minimal interference between the two signals.
3. Durable construction: Telewave duplexers are known for their high-quality construction, which ensures long-term reliability and durability.
4. Easy installation: The duplexer is easy to install, making it a convenient option for both amateur and professional radio users.
Cons of buying TPRD-1554 Telewave VHF Pass-Reject Duplexer 144-174:1. Price: The TPRD-1554 is a premium product, and its price may be higher than some lower-end duplexers in the market.
2. Limited compatibility: While the duplexer is widely compatible with VHF radio systems, it may not be compatible with all radio systems, so it's essential to check the compatibility before purchasing.
Conclusion:The TPRD-1554 Telewave VHF Pass-Reject Duplexer 144-174 is a high-quality duplexer that offers excellent isolation, wide frequency range, and durable construction. While it may be a premium product, its benefits make it a worthwhile investment for amateur and professional radio users who require high-performance duplexers.
Recommendation:If you're looking for a high-performance duplexer for your VHF radio system, the TPRD-1554 Telewave VHF Pass-Reject Duplexer 144-174 is an excellent option. Its wide frequency range, high isolation, and durable construction make it a reliable choice for radio users who demand the best performance from their equipment. However, before purchasing, ensure that the duplexer is compatible with your radio system and that you're willing to pay the premium price for its high-quality performance.
I have several of these. Easy to tune, instructions online. Little dusty but works as new. N female terminations.
Telewave duplexer. Recently taken out of service, tested 100% perfect. Very selective, your repeater will love this duplexer.