The ZTRC-4SPDT-A18 from Mini Circuits is a Switch Matrix with Frequency DC to 18 GHz, Insertion Loss 0.10 to 0.50 dB, Power 43.01 dBm (Cold Switching), Voltage 90 to 260 V, Isolation 60 to 100 dB. Tags: Rack Mount, USB Switch Matrix. More details for ZTRC-4SPDT-A18 can be seen below.