The WBCDB5-1504.5-1539.5-1544.5-1579.5-70 from Wainwright Instruments is a Band Pass Filter with Frequency 1.5395 to 1.5445 GHz, Bandwidth 5 MHz, Center Frequency 1.542 GHz, Insertion Loss 1 to 1.75 dB, Rejection 70 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCDB5-1504.5-1539.5-1544.5-1579.5-70 can be seen below.