QUANTIC PMI Model No. HPF-4G18G-CD-SFF is a High Pass Filter with a passband of 6.0 to 18.0 GHz. This model has a maximum insertion loss of 1.5 dB and a maximum VSWR of 2.0:1. It has SMA female connectors and a housing measuring 1.43" x 0.79" x 0.50".  https://www.Quantic PMI-rf.com/product-details/hpf-4g18g-cd-sff