The QLF-2400-58 from Qualwave is a Low Pass RF Filter with Frequency DC to 2.4 GHz, Stopband Frequency 3 to 18 GHz, Insertion Loss 2 dB, Upper Rejection 58 dB @ 3 to 18 GHz, Power 1 W. Tags: Module with Connector. More details for QLF-2400-58 can be seen below.