The MASW-011129-DIE from MACOM is a RF Switch with Frequency 2 to 22 GHz, Insertion Loss -1.8 to 0 dB, Isolation -60 to -30 dB, Power 22 to 28 dBm (P0.1dB), Power 0.16 to 0.63 W (P0.1dB). Tags: Die, Solid State. More details for MASW-011129-DIE can be seen below.