The DJD0518-0XX from Sierra Microwave Technology is a RF Switch with Frequency 500 MHz to 18 GHz, Insertion Loss 1.3 to 3.6 dB, Isolation 60 dB, Supply Voltage 28 V, Switching Speed 75 nS. Tags: Module with Connectors, Solid State. More details for DJD0518-0XX can be seen below.