The 303L-40 from Innowave RF is a Termination with Frequency 600 MHz to 6 GHz, Power 40 W, Peak Power 500 W, PIM -161 dBc (Min) (2Tones +40dBm), Operating Temperature -35 to 75 Degree C. Tags: Connectorized, Coaxial Termination. More details for 303L-40 can be seen below.