The DBSA0200500400C from Qotana is a RF Switch with Frequency 500 MHz to 4 GHz, Insertion Loss 1.2 to 1.5 dB, Isolation 70 to 85 dB, P1dB 37 dBm, P1dB 5 W. Tags: Module with Connectors, Solid State. More details for DBSA0200500400C can be seen below.