Quantic PMI Model LPF-18G-SFM is a low pass filter that passes frequencies between DC and 18 GHz while rejecting frequencies up to 25 GHz and features 40 dBc rejection, 1.8:1 VSWR, and 2.5 dB insertion loss. Housing size is 1.3" x 0.55" x 0.5" and has SMA female / male connectors.