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Product name

Telecommunication duplexers band 28 antenna duplexer for RX TX bi-directional communication 703-748MHz 758-803MHz

Part No.
DP-B28-SMA-G40
1
Retail price
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Product description

Telecommunication duplexers band 28 antenna duplexer for RX TX bi-directional communication 703-748MHz 758-803MHz

 

Description.


Duplexer is a 3 ports device most commonly used to allow a transmitter and receiver to operate on different frequencies, to share a common antenna while operating simultaneously. The filters that make up the duplexer isolate the transmitter from the receiver by doing two important functions--Function1, to filter out any transmitter noise sidebands that are being generated on the receive frequency, function 1 is the most important. Function2, to protect the receiver from transmitter carrier overload     

        _________________________________________    TECHNICAL SPECIFICATIONS    ________________________________________ 

Electricals
Part No.
DP-B28-SMA-G40
Frequency range
RX: 703-748 MHz
TX: 758-803 MHz
Insertion loss
<1.5dB
<1.5dB
Ripple in band
<1dB
<1dB
Return loss
>18dB
>18dB
RX-TX Isolation
>60dB
Power Rating
20W
Impedance
50Ω
Mechanicals
Connectors
SMA Female
Operating temperature
-30℃~+70℃
Appearance
Surface spray paint black
 

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