The FNP-1294 from Filtronetics is a Low Pass RF Filter with Frequency DC to 1500 MHz, Bandwidth 1500 MHz, Stopband Frequency 1500 to 3639 MHz, 3 dB Cutoff Frequency 1500 MHz, Insertion Loss 0.25 dB. Tags: Module with Connector, Cavity Filter. More details for FNP-1294 can be seen below.