The 402-2801 from Microwave Products Group is a RF Switch with Frequency DC to 12.4 GHz, Insertion Loss 0.15 to 0.5 dB, Isolation 60 to 85 dB, Power 175 to 600 W, Supply Voltage 20 to 28 V. Tags: Module with Connectors, Solid State. More details for 402-2801 can be seen below.