The KFL177308 from Konnect RF is a Low Pass RF Filter with Frequency DC to 4000 MHz, Stopband Frequency 4500 to 10000 MHz, Insertion Loss 1 dB, Upper Rejection 3 to 30 dB @4500 to 10000 MHz, Power 20 W. Tags: Module with Connector. More details for KFL177308 can be seen below.