The SLP-44+ from Mini Circuits is a Low Pass RF Filter with Frequency DC to 44 MHz, Bandwidth 44 MHz, 3 dB Cutoff Frequency 48.5 MHz, Insertion Loss 0.6 to 1 dB, Rejection 20 to 46 dB. Tags: Module with Connector, Lumped Component Filter. More details for SLP-44+ can be seen below.