The CMX21E02 from RN2 Technologies is a 90 Degree Hybrid Coupler with Frequency 1700 to 2300 MHz, Average Power 40 W, Insertion Loss 0.2 dB, Isolation 20 to 23 dB, Coupling 1.95 to 2.05 dB. Tags: Surface Mount. More details for CMX21E02 can be seen below.