The PE71S2042 from Pasternack Enterprises Inc is a RF Switch with Frequency 20 MHz to 2.5 GHz, Insertion Loss 0.3 to 1.5 dB, Isolation 35 to 50 dB, Power 43.98 dBm, Power 25 W. Tags: Module with Connectors, Solid State. More details for PE71S2042 can be seen below.