The HP0R5G-18G-CD-SMM from Quantic PMI (Planar Monolithics) is a RF High Pass Filter with Frequency 500 MHz to 18 GHz, Insertion Loss 2 dB, Rejection 40 dB @ 300 MHz, VSWR 2.00:1, Operating_Temperature -55 to 85 Degree C. Tags: Module with Connectors. More details for HP0R5G-18G-CD-SMM can be seen below.