The M3SW-250DRA-D+ from Mini Circuits is a RF Switch with Frequency DC to 4.5 GHz, Insertion Loss 0.5 to 1.4 dB, Isolation 34 to 78 dB, P1dB 18.8 to 25 dBm, P1dB 0.08 to 0.32 W. Tags: Die, Solid State. More details for M3SW-250DRA-D+ can be seen below.