Quantic PMI Model HP500-450-3A-SFF is a high pass filter operating over the 0.5 to 5 GHz frequency range. This model offers -50 dB of rejection at 0.3 GHz, a typical passband insertion loss of 1 dB, and a VSWR of 1.5:1. Packaged size is 0.75" x 0.31" x 0.31" with SMA connectors.