The RLPF13G04 from RF-Lambda is a Low Pass RF Filter with Frequency DC to 4 GHz, Stopband Frequency 4.6 to 10 GHz, Insertion Loss 0.8 to 1 dB, Rejection 50 to 60 dB @ 4.6 to 10 GHz, Power 15 W. Tags: Module with Connector, Stripline, Suspended Substrate Filter. More details for RLPF13G04 can be seen below.