Quantic PMI Model 5CL9D18G-180-CD-SFF is a bandpass filter centered at 9.18 GHz with a nominal bandwidth of 0.18 GHz. Housing is precision machined and silver plated to provide the highest possible Q. Package size of the filter is 1.9" x 0.4" x 0.4" with SMA female connectors. https://www.quanticpmi.com/product-details/5cl9d18g-180-cd-sff