The ZHPF1-M3-18G-124 from COM-MW is a RF High Pass Filter with Frequency 3 to 18 GHz, Insertion Loss 2 dB, Power 20 W, Rejection 40 dB, Lower Rejection 40 dB @ 2.7 GHz. Tags: Module with Connectors. More details for ZHPF1-M3-18G-124 can be seen below.