The HRMA-CF- 1418 from HRmicrowave is a Band Pass Filter with Frequency 14 to 18 GHz, Insertion Loss 2 dB, Upper Rejection 50 dB, Lower Rejection 60 dB, Return Loss 15 dB. Tags: Module with Connectors, Combline Filter. More details for HRMA-CF- 1418 can be seen below.