The QHF-3550-18000-60 from Qualwave is a RF High Pass Filter with Frequency 3.55 to 18 GHz, Bandwidth 14450 MHz, Insertion Loss 1.5 dB, Rejection 60 dB, Lower Rejection 60 dB @ DC to 2.8 GHz. Tags: Module with Connectors. More details for QHF-3550-18000-60 can be seen below.