TXRX SYSTEMS 28-70-02B Bird Duplexer Ham Repeater 450-470 350W

( Brand: Txrx Systems ), ( Manufacturer Part Number: 28-70-02B ), ( Type: Duplexer ), ( Frequency Band S : Uhf ), ( Country/region Of Manufacture: United States )

Review TXRX SYSTEMS Mint Perfect Bird Duplexer 450-470 Mhz Ham Repeater 350w

The 28-70-02b Bird TxRx Duplexer is an essential component for any ham radio repeater system operating within the 450-470 MHz frequency range. This high-power duplexer is designed to handle a maximum input power of 350 watts, ensuring reliable performance even under heavy usage.

The 28-70-02b is a dual-band device, specifically engineered for use with repeaters. It features a well-balanced design, ensuring optimal isolation between the transmit and receive frequencies. This ensures that the transmit signal does not interfere with the receive signal, and vice versa, maintaining the clarity of communication.

The Bird TxRx Duplexer is built with high-quality materials and precision craftsmanship. It features a rugged, weather-resistant design, making it suitable for both indoor and outdoor applications. The duplexer's compact size and lightweight construction make it easy to install and integrate into existing repeater systems.

The 28-70-02b Bird TxRx Duplexer is a reliable choice for ham radio enthusiasts who demand high performance and durability from their equipment. Whether you're a seasoned amateur radio operator or just starting out, this duplexer is an excellent investment for any repeater system. With its impressive power handling capability, excellent frequency isolation, and robust construction, the 28-70-02b Bird TxRx Duplexer is sure to provide years of reliable service.

1. High Power Handling Capacity: The duplexer is rated for up to 350 watts of power, making it suitable for high power repeaters.

2. Wide Frequency Range: The duplexer covers a wide frequency range of 450-470 MHz, which is commonly used for ham repeaters.

3. Good Selectivity: The duplexer has a good level of selectivity, which helps to reduce interference from other signals in the band.

4. Durable Construction: The duplexer is built to withstand harsh environmental conditions, making it suitable for outdoor use.

1. High Cost: The duplexer is quite expensive compared to other options on the market.

2. Limited Bandwidth: Although the duplexer has a wide frequency range, its bandwidth is relatively limited, which may not be suitable for all applications.

3. Complex Installation: Installing a duplexer can be a complex process, requiring specialized tools and knowledge.

The 28-70-02B Bird TXRX Duplexer is a high-quality duplexer that is well-suited for use in a 450-470 MHz ham repeater. Its high power handling capacity, good selectivity, and durable construction make it a reliable choice for outdoor use. However, its high cost and limited bandwidth may be a drawback for some users. If you are looking for a high-performance duplexer for a high-power repeater and have the budget to afford it, then the 28-70-02B Bird TXRX Duplexer is a good option to consider.

If the 28-70-02B Bird TXRX Duplexer is outside your budget, there are other options on the market that may be more affordable. Consider looking for a duplexer that has a similar frequency range and power handling capacity, but at a lower price point. Additionally, make sure to properly install the duplexer to ensure optimal performance and minimize interference.

Details:

These duplexes are frequently used in radio repeater Systems. It is tuned currently for there are rack mounts on front and rear this duplexer plus comes with all cables shown, I will remove shipping. Connector for antenna coax is n-type as seen in pictures. You do not find these in better condition and was used a local pd station with less than 1/2 rated power when use.

Also a copy of instruction manual is included, it complete 15 page. It is what I call a cream puff. The manual covers installation, tuning, and maintenance of var-notch duplexes constructed from 4 diameter cavities.

Folks this bird Txrx Systems duplexer model 02b with a tuning range of mhz has 350 watt rating and is rack mountable standard 19. Any questions just send me a message. If you want to see all specs the manual is on-line also, just do a google search for Txrx duplexer 02b.

Extremely low insertion loss of only.

specifications hamamateuradio:

• brand: Txrx Systems
• mpn: 28-70-02b
• type: Duplexer
• frequency band s : Uhf
• country/region of manufacture: United States

Ratings:

1. Fast pay 04-14-18
2. verry good seller 04-10-18
3. Went above and beyond hope to do business again 04-08-18
4. A ! Please reach out to us with Comments or Concerns through messaging 04-08-18
5. Hope to deal with you again. Thank you. 04-07-18

Shipping hamamateuradio:

• handling: 2 days
• cost: $45.0
• type: Flat

Seller hamamateuradio:

• city: Milwaukee, Wisconsin
• zipcode: 53228

General hamamateuradio:

• in stock: Yes
• consumer electronics > radio communication electronics > ham amateur radio communication
• condition: Used

Returns hamamateuradio:

• policy: no returns

Payments hamamateuradio:

• PayPal

Offer hamamateuradio:

• bids: 0
• Sold: 0
• best offer: true
• quantity: 1
• Started: April 13, 2018, 9:21 pm

Txrx Systems 28-70-02B Is Similar To:

• 28-70-02 Txrx Tx Rx Systems Uhf Duplexer Ham Commercial Repeater (69.2% similar) Txrx Systems uhf duplexer var notch model 02TAKEN from a working ham repeater I no longer operate...(September 14th, 2016)