The QLF-10-50 from Qualwave is a Low Pass RF Filter with Frequency DC to 10 MHz, Stopband Frequency 13 to 150 MHz, Insertion Loss 1 dB, Upper Rejection 50 dB @ 13 to 150 MHz, VSWR 1.50:1. Tags: Module with Connector. More details for QLF-10-50 can be seen below.