The SLP-25+ from Mini Circuits is a Low Pass RF Filter with Frequency DC to 25 MHz, Stopband Frequency 36 to 1000 MHz, 3 dB Cutoff Frequency 28 MHz, Insertion Loss 0.5 to 1 dB, Rejection 20 to 45 dB. Tags: Module with Connector, Lumped Component Filter. More details for SLP-25+ can be seen below.