The QHF-6000-18000-60 from Qualwave is a RF High Pass Filter with Frequency 6 to 18 GHz, Bandwidth 12000 MHz, Insertion Loss 1.5 dB, Rejection 60 dB, Lower Rejection 60 dB @ DC to 5.1 GHz. Tags: Module with Connectors. More details for QHF-6000-18000-60 can be seen below.