The MASW-009276-001DIE from MACOM is a RF Switch with Frequency 1 to 4 GHz, Insertion Loss 0.5 to 0.75 dB, Isolation 20 to 32 dB, P1dB 28 to 32 dBm, P1dB 0.63 to 1.58 W. Tags: Surface Mount, Solid State. More details for MASW-009276-001DIE can be seen below.