The LP-112 from Metropole Products Inc. is a Low Pass RF Filter with Frequency 1.5 to 30 MHz, Stopband Frequency 50 - 100 MHz, Insertion Loss 0.2 dB, Rejection 30 dB@50 MHz, 80 dB@(88, 108, 225, 400, 1000 MHz), Power 1.5 KW. Tags: Module with Connector, Lumped Component Filter. More details for LP-112 can be seen below.