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The DB4059-A from dbSpectra is a RF Duplexer with Frequency 138 to 150 MHz, Power 150 W, Insertion Loss 1.4 dB, Isolation 80 dB, Loss Tx: 1.4 dB, Rx: 1.4 dB. More details for DB4059-A can be seen below.
782/751 MHz Ceramic Duplexer
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