Quantic PMI Model No. HP0R5G-18G-CD-SFF is a broadband high pass filter having a passband of 0.5 to 18 GHz. Cut-Off Frequency is 0.5 GHz with a passband insertion loss of 2.0 dB from 1 to 16 GHz.  This model provides 40 dB minimum rejection at 0.3 GHz. Package size is 1.00” x 0.71” x 0.32” and contains SMA (F) Removable connectors.  Can be used in surface mount or connectorized applications. https://www.quanticpmi.com/product-details/hp0r5g-18g-cd-sff