The WBCTB3-702.5-721-724-742.5-50-1 from Wainwright Instruments is a Band Pass Filter with Frequency 721 to 724 MHz, Bandwidth 3 MHz, Center Frequency 722.5 MHz, Insertion Loss 1.25 to 1.5 dB, Rejection 50 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCTB3-702.5-721-724-742.5-50-1 can be seen below.