The R12-KFXX040-T from Talent Microwave Inc is a RF Switch with Frequency DC to 40 GHz, Insertion Loss 0.20 to 1.00 dB, Isolation 50 to 70 dB, Power 39.03 to 49.03 dBm, Power 8 to 80 W. Tags: Module with Connectors, Electro-Mechanical, USB Controlled. More details for R12-KFXX040-T can be seen below.