Planar Monolithics (PMI) Model HP-55G57G-185FF is a high pass filter having a passband of 55 to 57 GHz. Cut-Off Frequency is 50 GHz with a maximum passband insertion loss of 2 dB that provides 50 dB minimum rejection from 34 to 45 GHz. Package size is 1.97" x 0.55" x 0.33" and is equipped with 1.85mm female connectors. https://www.quanticpmi.com/product-details/hp-55g57g-185ff
