The KFL177212 from Konnect RF is a Low Pass RF Filter with Frequency DC to 600 MHz, Stopband Frequency 600 to 1000 MHz, Insertion Loss 0.8 dB, Upper Rejection 40 to 60 dB @600 to 1000 MHz, Power 10 W. Tags: Module with Connector. More details for KFL177212 can be seen below.