The FLLE-25-500W from Sirius Microwave is a Low Pass RF Filter with Frequency 0 to 25 MHz, Stopband Frequency 30 to 150 MHz, 3 dB Cutoff Frequency 26 MHz, Insertion Loss 0.5 dB, Rejection 30 dB. Tags: Module with Connector, Lumped Component Filter. More details for FLLE-25-500W can be seen below.