The IS-M90M94-ZC from Spectrum Elektrotechnik GmbH is a RF & Microwave Isolator with Frequency 0.9 to 0.943 GHz, Average Power Forward 200 W, Average Power Reverse 10 W, Insertion Loss 0.4 dB, Isolation 23 dB. Tags: Drop-In Isolator. More details for IS-M90M94-ZC can be seen below.