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The UPD004A from CTS Electronic Components is a RF Duplexer with Frequency 1.71 to 2.16 GHz, Band 1 2.11 to 2.16 GHz, Band 2 1.71 to 1.76 GHz, Power 1.5 to 15 W, Insertion Loss 1.4 dB. More details for UPD004A can be seen below.
782/751 MHz Ceramic Duplexer
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