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The DB4059 from dbSpectra is a RF Duplexer with Frequency 148 to 174 MHz, Power 150 W, Insertion Loss 1.2 dB, Isolation 70 dB, Loss Tx: 1.2 dB, Rx: 1.2 dB. More details for DB4059 can be seen below.
782/751 MHz Ceramic Duplexer
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