The LDC-0.25/0.35-90N from Leader-MW is a 90 Degree Hybrid Coupler with Frequency 250 to 350 MHz, Average Power 500 W, Isolation 25 dB, Coupling 3 dB, Coupling Variation ±0.3 dB. Tags: Module with Connectors. More details for LDC-0.25/0.35-90N can be seen below.