The RFSP4T18EMA-T from RF-Lambda is a RF Switch with Frequency DC to 18 GHz, Insertion Loss 0.2 to 0.5 dB, Isolation 60 to 80 dB, Power 30 dBm, Power 1 W. Tags: Module with Connectors, Electro-Mechanical. More details for RFSP4T18EMA-T can be seen below.