The QHF-1000-12000-55 from Qualwave is a RF High Pass Filter with Frequency 1 to 12 GHz, Bandwidth 11000 MHz, Insertion Loss 0.8 dB, Rejection 55 dB, Lower Rejection 55 dB @ DC to 0.75 GHz. Tags: Module with Connectors. More details for QHF-1000-12000-55 can be seen below.