The DJT0518-1XX from Sierra Microwave Technology is a RF Switch with Frequency 500 MHz to 18 GHz, Insertion Loss 1.9 to 4.6 dB, Isolation 60 dB, Supply Voltage 28 V, Switching Speed 100 nS. Tags: Module with Connectors, Solid State. More details for DJT0518-1XX can be seen below.