Planar Monolithics (PMI) Model BPF-3D25G-87D1M-SFF is a bandpass filter centered at 3.25 GHz with a 3.20645 to 3.29355 GHz passband and a maximum insertion loss of 1.1 dB. This unit is housed inside a small 1.63" x 1.0" x 0.7" package outfitted with SMA female connectors. https://www.pmi-rf.com/product-details/bpf-3d25g-87d1m-sff
