Quantic PMI Model BPF3D875-2D25-CD-SFF is a Bandpass filter that has a center frequency of 3.875 GHz and a Passband of 2.25 GHz. The passband insertion loss is 2.0 dB maximum with a VSWR of 2.0:1 maximum. The filter measures 2.50" x 0.8" x 0.5" and is supplied with SMA female connectors.