The DBSR0200500400A from Qotana is a RF Switch with Frequency 500 MHz to 4 GHz, Insertion Loss 1.4 dB, Isolation 60 dB, Power 30 to 47 dBm, Power 1 to 50 W. Tags: Module with Connectors, Solid State. More details for DBSR0200500400A can be seen below.