The SEMS-4051-SPDT-SMA from Fairview Microwave is a RF Relay with Frequency DC to 18 GHz, Voltage 10.2 to 13 V, Current 250 mA, Power 100 to 240 W, Insertion Loss 0.2 to 0.5 dB. Tags: Connectorized. More details for SEMS-4051-SPDT-SMA can be seen below.