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The 1370-C45 from TRM Microwave is a Dual Directional Coupler with Frequency 100 to 500 MHz, Coupling 45 dB, Coupling Variation ± 0.25 dB, Directivity 26 dB, Insertion Loss 0.1 dB. More details for 1370-C45 can be seen below.
50 dB, 300 W Dual Directional Coupler
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