The HRMA-CF- 1.2-1.4 from HRmicrowave is a Band Pass Filter with Frequency 1.2 to 1.4 GHz, Insertion Loss 0.5 dB, Upper Rejection 60 dB, Lower Rejection 60 dB, Return Loss 20 dB. Tags: Module with Connectors, Combline Filter. More details for HRMA-CF- 1.2-1.4 can be seen below.