The DBSA0400105000A from Qotana is a RF Switch with Frequency 100 MHz to 50 GHz, Insertion Loss 3.3 to 6.5 dB, Isolation 45 to 70 dB, P1dB 23 dBm, P1dB 0.2 W. Tags: Module with Connectors, Solid State. More details for DBSA0400105000A can be seen below.