The T7188/DB from Smiths Interconnect is a RF & Microwave Isolator with Frequency 7.1 to 8.8 GHz, Average Power Forward 10 W, Average Power Reverse 1 W, Peak Power Forward 0.01 kW, Insertion Loss 0.6 dB. Tags: Microstrip, Microstrip Isolator. More details for T7188/DB can be seen below.