The RLPF13G12 from RF-Lambda is a Low Pass RF Filter with Frequency DC to 12 GHz, Stopband Frequency 13.8 to 18.5 GHz, Insertion Loss 0.8 to 1 dB, Rejection 50 to 60 dB @ 13.8 to 18.5 GHz, Power 15 W. Tags: Module with Connector, Stripline, Suspended Substrate Filter. More details for RLPF13G12 can be seen below.