Quantic PMI Model BPF-3D96G-65M-SFF is a bandpass filter with a center frequency of 3.96 GHz and has a max insertion loss of 1.4 dB and a maximum VSWR of 1.4:1. Package size is 1.42" x 0.79" x 0.63" with SMA female connectors.

https://www.quanticpmi.com/product-details/bpf-3d96g-65m-sff