The RFSP4T40EMA from RF-Lambda is a RF Switch with Frequency DC to 40 GHz, Insertion Loss 0.2 to 1.2 dB, Isolation 60 to 80 dB, Power 33.01 dBm, Power 2 W. Tags: Module with Connectors, Electro-Mechanical. More details for RFSP4T40EMA can be seen below.