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The SH11551 from Sigatek is a 180 Degree Hybrid Coupler with Frequency 1 to 2 GHz, Average Power 80 W, Coupling 3.2 dB, Coupling Variation 0.6 dB, Isolation 22 dB. More details for SH11551 can be seen below.
1.5 to 3 GHz 180 Degree/3 dB Hybrid Coupler
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