The R18-KNXXT40-D from Talent Microwave Inc is a RF Switch with Frequency DC to 40 GHz, Insertion Loss 0.2 to 1 dB, Isolation 50 to 75 dB, Power 36.98 to 50 dBm, Power 5 to 100 W. Tags: Module with Connectors, Electro-Mechanical. More details for R18-KNXXT40-D can be seen below.