The 303L-20 from Innowave RF is a Termination with Frequency 600 MHz to 6 GHz, Power 20 W, Peak Power 250 W, PIM -161 dBc (Min) (2Tones +40dBm), Operating Temperature -35 to 75 Degree C. Tags: Connectorized, Coaxial Termination. More details for 303L-20 can be seen below.