The RFST50G18 from RF-Lambda is a Termination with Frequency DC to 18 GHz, Power 50 W, Peak Power 5 kW, Operating Temperature -40 to 85 Degree C, Storage Temperature -55 to 125 Degree C. Tags: Module with Connectors, Coaxial Termination. More details for RFST50G18 can be seen below.