The EHCM-290-320-200-22 from Excelwave is a 90 Degree Hybrid Coupler with Frequency 290 to 320 MHz, Average Power 200 W, Insertion Loss 3 dB, Isolation 25 dB, Coupling 3 dB. Tags: Module with Connectors. More details for EHCM-290-320-200-22 can be seen below.