PMI Model No. LPF-6G-35-SFF is a Low Pass Filter that operates over the DC to 4.4 GHz frequency range with a maximum passband insertion loss of 2 dB; maximum passband VSWR of 2.0:1; -3 dB Cut-Off Frequency 6.95 GHz maximum; Passband Insertion Loss 2 dB maximum; and rejection -35 dBc minimum (9.0 to 18.0 GHz).  Has SMA female field, replaceable connectors in a housing measuring 0.685" x 0.70" x 0.255".  https://www.pmi-rf.com/product-details/lpf-6g-35-sff