The QHF-7000-18000-30 from Qualwave is a RF High Pass Filter with Frequency 7 to 18 GHz, Bandwidth 11000 MHz, Insertion Loss 1.5 dB, Rejection 30 dB, Lower Rejection 30 dB @ DC to 6.425 GHz. Tags: Module with Connectors. More details for QHF-7000-18000-30 can be seen below.