The RFST5G18S from RF-Lambda is a Termination with Frequency DC to 12 GHz, Power 0.5 to 5 W, Peak Power 0.5 kW, Operating Temperature -50 to 120 Degree C, Storage Temperature -55 to 125 Degree C. Tags: Module with Connectors, Coaxial Termination. More details for RFST5G18S can be seen below.