The RP122-LSDI004D from Taiwan Rapidtek Inc. is a RF Switch with Frequency DC to 12 GHz, Insertion Loss 0.3 to 0.6 dB, Isolation 60 to 70 dB, Supply Voltage 28 V, Supply Current 150 mA. Tags: Module with Connectors, Electro-Mechanical. More details for RP122-LSDI004D can be seen below.