The FN-4709W from Filtronetics is a Low Pass RF Filter with Frequency DC to 81 MHz, Bandwidth 81 MHz, Stopband Frequency 96 MHz, 3 dB Cutoff Frequency 81 MHz, Insertion Loss 1 dB. Tags: Drop-In, Module with Connector, Lumped Component Filter. More details for FN-4709W can be seen below.