The QPS2-100-4000-A from Qualwave is a RF Switch with Frequency 0.1 to 4 GHz, Insertion Loss 1.4 to 1.8 dB, Isolation 35 to 40 dB, Power 26 dBm, Power 0.39 W. Tags: Module with Connectors, Solid State. More details for QPS2-100-4000-A can be seen below.