The DBSA0100500400B from Qotana is a RF Switch with Frequency 500 MHz to 4 GHz, Insertion Loss 0.7 to 1.5 dB, Isolation 80 to 85 dB, P1dB 30 dBm, P1dB 1 W. Tags: Module with Connectors, Solid State. More details for DBSA0100500400B can be seen below.