The WBCTB3-2067.5-2097.5-2102.5-2132.5-40 from Wainwright Instruments is a Band Pass Filter with Frequency 2.0975 to 2.1025 GHz, Bandwidth 5 MHz, Center Frequency 2.1 GHz, Insertion Loss 1.25 to 1.75 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCTB3-2067.5-2097.5-2102.5-2132.5-40 can be seen below.