The RFSP4TA0250GUSBK from RF-Lambda is a RF Switch with Frequency 2 to 45 GHz, Insertion Loss 3.5 to 6.5 dB, Isolation 40 to 70 dB, Power 23 dBm, Power 0.19 W. Tags: Module with Connectors, USB Controlled. More details for RFSP4TA0250GUSBK can be seen below.