The QMC-HP-0513 from Quantum Microwave is a RF High Pass Filter with Frequency 5.5 to 13 GHz, Insertion Loss 1.1 dB, Power 1 W, Rejection 10 dB, Lower Rejection 10 dB. Tags: Module with Connectors, Cryogenic. More details for QMC-HP-0513 can be seen below.