The 50T-581-XXX from JFW Industries is a Termination with Frequency DC to 1 GHz, Power 80 W, Peak Power 1000 W, Operating Temperature -55 to 100 Degree C, Storage Temperature -65 to 125 Degree C. Tags: Connectorized, Coaxial Termination. More details for 50T-581-XXX can be seen below.