The WBCTB8-2000-2005-2015-2020-40 from Wainwright Instruments is a Band Pass Filter with Frequency 2.005 to 2.015 GHz, Bandwidth 10 MHz, Center Frequency 2.01 GHz, Insertion Loss 2.25 to 3.25 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCTB8-2000-2005-2015-2020-40 can be seen below.