The HP2G-1780-CD-SS-OPT2200 from Quantic PMI (Planar Monolithics) is a RF High Pass Filter with Frequency 2.5 to 18 GHz, Insertion Loss 0.5 to 1 dB, Rejection 80 dB @ 870 MHz, VSWR 1.50:1, 2.00:1, Ripple 0.5 dB. Tags: Module with Connectors. More details for HP2G-1780-CD-SS-OPT2200 can be seen below.