The SMQ-C21 from Synergy Microwave Corporation is a 90 Degree Hybrid Coupler with Frequency 104 to 176 MHz, Average Power 1 W, Insertion Loss 0.3 to 0.7 dB, Isolation 20 to 30 dB, Coupling 3 dB. Tags: Surface Mount. More details for SMQ-C21 can be seen below.