The CLPFL-2400 from Crystek Corporation is a Low Pass RF Filter with Frequency DC to 2400 MHz, Insertion Loss 0.04 to 0.78 dB, Rejection 1.41 to 37.76 dB, Power 4 W, Return Loss 13.17 to 34.46 dB. Tags: Connectorized, Butterworth Filter. More details for CLPFL-2400 can be seen below.