The ZBF6-C38.5-3G-1354 from COM-MW is a Band Pass Filter with Frequency 37 to 40 GHz, Insertion Loss 2 dB, Upper Rejection 40 dB @ 42.5 to 49 GHz, Lower Rejection 40 dB @ DC to 34.5 GHz, Power 10 W. Tags: Module with Connectors. More details for ZBF6-C38.5-3G-1354 can be seen below.