The SLQ-310 from Synergy Microwave Corporation is a 90 Degree Hybrid Coupler with Frequency 115 to 345 MHz, Average Power 1 W, Insertion Loss 0.2 to 0.5 dB, Isolation 15 to 20 dB, Coupling 3 dB. Tags: Surface Mount. More details for SLQ-310 can be seen below.