The RFST5G12S from RF-Lambda is a Termination with Frequency DC to 12.4 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 RFST5G12S can be seen below.