The QHF-7000-18000-50 from Qualwave is a RF High Pass Filter with Frequency 7 to 18 GHz, Bandwidth 11000 MHz, Insertion Loss 1 dB, Rejection 50 dB, Lower Rejection 50 dB @ DC to 6 GHz. Tags: Module with Connectors. More details for QHF-7000-18000-50 can be seen below.