Quantic PMI Model BPF-12R3-3-292FF is a bandpass filter with a center frequency of 1.23 GHz; operates over the frequency range of 10.8 to 13.8 GHz with a typical insertion loss of 2.5 dB and a VSWR of 1.5:1. Package size is 2.00" x 0.75" x 0.50" with 2.92mm female connectors.