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The SH13553 from Sigatek is a 180 Degree Hybrid Coupler with Frequency 4 to 8 GHz, Average Power 80 W, Coupling 3.2 dB, Coupling Variation 0.6 dB, Isolation 18 dB. More details for SH13553 can be seen below.
1.5 to 3 GHz 180 Degree/3 dB Hybrid Coupler
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