The BPF-C-00032 from Exceed Microwave is a S-Band Combline Filter with a center frequency of 2.58 GHz and bandwidth of 200 MHz. The filter has an insertion loss of under 0.3 dB and return loss of more than 20 dB. It is available in a silver plated aluminium housing that measures 10 x 3 x 1.5 inches with SMA connectors.