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The dBDD2001000400A from Dbwave Technologies is a Dual Directional Coupler with Coupling 20 dB, Frequency 1 to 4 GHz, Average Power 50 W, Insertion Loss 0.4 dB, Directivity 20 dB. More details for dBDD2001000400A can be seen below.
50 dB, 300 W Dual Directional Coupler
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