The IS-177197-X6 from Spectrum Elektrotechnik GmbH is a RF & Microwave Isolator with Frequency 17.7 to 19.7 GHz, Average Power Forward 5 W, Average Power Reverse 1 W, Insertion Loss 0.7 dB, Isolation 18 dB. Tags: Drop-In Isolator. More details for IS-177197-X6 can be seen below.