The RLPF13G11 from RF-Lambda is a Low Pass RF Filter with Frequency DC to 11 GHz, Stopband Frequency 12.65 to 18 GHz, Insertion Loss 0.7 to 1 dB, Rejection 50 to 55 dB @ 12.65 to 18 GHz, Power 15 W. Tags: Module with Connector, Stripline, Suspended Substrate Filter. More details for RLPF13G11 can be seen below.